{"title":"Laser Protective Windows","description":"\u003cp\u003eAftermarket fused silica protective windows (cover glass) for Raytools, Precitec and BOCI cutting heads. One product per OEM part number, sold single, in 5 packs and 10 packs.\u003c\/p\u003e","products":[{"product_id":"raytools-211lcg0131-aftermarket-protective-window-d18-x-2-mm","title":"Raytools 211LCG0131 Aftermarket Protective Window, D18 x 2 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0131. Size D18 x 2 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eSold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD18 x 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Raytools head using a D18 x 2 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD18 x 2 mm\u003c\/td\u003e\n\u003ctd\u003eD18 x 2 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0131\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2119)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097242924,"sku":"SPM-LAS-2119-P1","price":1.51,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097275692,"sku":"SPM-LAS-2119-P5","price":7.0,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097308460,"sku":"SPM-LAS-2119-P10","price":12.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"raytools-211lcg0129-aftermarket-protective-window-d20-x-3-mm","title":"Raytools 211LCG0129 Aftermarket Protective Window, D20 x 3 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0129. Size D20 x 3 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eSold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0129\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD20 x 3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Raytools head using a D20 x 3 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD20 x 3 mm\u003c\/td\u003e\n\u003ctd\u003eD20 x 3 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0129\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2120)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097373996,"sku":"SPM-LAS-2120-P1","price":2.95,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097406764,"sku":"SPM-LAS-2120-P5","price":13.65,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097439532,"sku":"SPM-LAS-2120-P10","price":25.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_b9df3e37-341d-41cc-9c89-41718be863db.jpg?v=1790912579"},{"product_id":"raytools-211lcg0020-aftermarket-protective-window-d24-9-x-1-5-mm","title":"Raytools 211LCG0020 Aftermarket Protective Window, D24.9 x 1.5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0020. Size D24.9 x 1.5 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BD04K, BD08K, BMH109, BMH110, BMH111, BMH114, BT240. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD24.9 x 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bd04k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD04K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bd08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD08K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bmh109-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH109\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bmh110-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH110\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bmh111-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH111\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bmh114-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH114\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bt240-laser-head-parts\" style=\"text-decoration:none\"\u003eBT240\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD24.9 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003eD24.9 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0020\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2121)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBD04K, BD08K, BMH109, BMH110, BMH111, BMH114, BT240\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097505068,"sku":"SPM-LAS-2121-P1","price":6.14,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097537836,"sku":"SPM-LAS-2121-P5","price":28.4,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097570604,"sku":"SPM-LAS-2121-P10","price":52.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8ff64fbd-474e-442a-878a-bfd1bc4db57d.jpg?v=1790912582"},{"product_id":"raytools-211lcg0127-aftermarket-protective-window-d26-x-3-mm","title":"Raytools 211LCG0127 Aftermarket Protective Window, D26 x 3 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0127. Size D26 x 3 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eSold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0127\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD26 x 3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Raytools head using a D26 x 3 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD26 x 3 mm\u003c\/td\u003e\n\u003ctd\u003eD26 x 3 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0127\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2122)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097603372,"sku":"SPM-LAS-2122-P1","price":3.57,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097636140,"sku":"SPM-LAS-2122-P5","price":16.5,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097668908,"sku":"SPM-LAS-2122-P10","price":30.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_7d9703bc-e4b0-48a1-bd00-057906e4127d.jpg?v=1790912584"},{"product_id":"raytools-211lcg0037-aftermarket-protective-window-d27-9-x-4-1-mm","title":"Raytools 211LCG0037 Aftermarket Protective Window, D27.9 x 4.1 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0037 (also 211LCG0039). Size D27.9 x 4.1 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BD04K, BM109, BM110, BM111, BT210S, BT240S, BW03K. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0037, 211LCG0039\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD27.9 x 4.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bd04k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD04K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm109-laser-head-parts\" style=\"text-decoration:none\"\u003eBM109\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm110-laser-head-parts\" style=\"text-decoration:none\"\u003eBM110\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm111-laser-head-parts\" style=\"text-decoration:none\"\u003eBM111\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bt210s-laser-head-parts\" style=\"text-decoration:none\"\u003eBT210S\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bt240s-laser-head-parts\" style=\"text-decoration:none\"\u003eBT240S\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bw03k-laser-head-parts\" style=\"text-decoration:none\"\u003eBW03K\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD27.9 x 4.1 mm\u003c\/td\u003e\n\u003ctd\u003eD27.9 x 4.1 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0037 \/ 211LCG0039\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2123)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBD04K, BM109, BM110, BM111, BT210S, BT240S, BW03K\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097701676,"sku":"SPM-LAS-2123-P1","price":5.1,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097734444,"sku":"SPM-LAS-2123-P5","price":23.55,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097767212,"sku":"SPM-LAS-2123-P10","price":43.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_724fd82b-f265-4cc4-848c-6006114486d6.jpg?v=1790912587"},{"product_id":"raytools-211lcg0068-aftermarket-protective-window-d30-x-5-mm","title":"Raytools 211LCG0068 Aftermarket Protective Window, D30 x 5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0068. Size D30 x 5 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eSold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0068\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD30 x 5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Raytools head using a D30 x 5 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD30 x 5 mm\u003c\/td\u003e\n\u003ctd\u003eD30 x 5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0068\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2124)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097799980,"sku":"SPM-LAS-2124-P1","price":2.65,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097832748,"sku":"SPM-LAS-2124-P5","price":12.25,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097865516,"sku":"SPM-LAS-2124-P10","price":22.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_46c58b65-c81e-42d6-8557-4e3e419a066f.jpg?v=1790912589"},{"product_id":"raytools-211lcg0045-aftermarket-protective-window-d37-x-1-6-mm","title":"Raytools 211LCG0045 Aftermarket Protective Window, D37 x 1.6 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0045. Size D37 x 1.6 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BF06H, BF12K, BF20K, BM115, BM116, BP06K, BW06H. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0045\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD37 x 1.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 12 kW (Raytools rating). Supplied as the high power version.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bf06h-laser-head-parts\" style=\"text-decoration:none\"\u003eBF06H\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bf12k-laser-head-parts\" style=\"text-decoration:none\"\u003eBF12K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bf20k-laser-head-parts\" style=\"text-decoration:none\"\u003eBF20K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm115-laser-head-parts\" style=\"text-decoration:none\"\u003eBM115\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm116-laser-head-parts\" style=\"text-decoration:none\"\u003eBM116\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bp06k-laser-head-parts\" style=\"text-decoration:none\"\u003eBP06K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bw06h-laser-head-parts\" style=\"text-decoration:none\"\u003eBW06H\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD37 x 1.6 mm\u003c\/td\u003e\n\u003ctd\u003eD37 x 1.6 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0045\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2125)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBF06H, BF12K, BF20K, BM115, BM116, BP06K, BW06H\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097898284,"sku":"SPM-LAS-2125-P1","price":10.71,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097931052,"sku":"SPM-LAS-2125-P5","price":49.55,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097963820,"sku":"SPM-LAS-2125-P10","price":91.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_ca52aeaf-485b-43a7-8627-0d2e29e40b10.jpg?v=1790912592"},{"product_id":"raytools-211lcg0078-aftermarket-protective-window-d37-x-7-mm-12-kw","title":"Raytools 211LCG0078 Aftermarket Protective Window, D37 x 7 mm, 12 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0078. Size D37 x 7 mm, 12 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BD08K, BM06K, BM114, BM114S, BM115, BS08K. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0078\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 12 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 12 kW (Raytools rating). The supplied window is rated to 15 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bd08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD08K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm06k-laser-head-parts\" style=\"text-decoration:none\"\u003eBM06K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm114-laser-head-parts\" style=\"text-decoration:none\"\u003eBM114\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm114s-laser-head-parts\" style=\"text-decoration:none\"\u003eBM114S\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm115-laser-head-parts\" style=\"text-decoration:none\"\u003eBM115\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bs08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS08K\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD37 x 7 mm, 12 kW\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 12 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0078\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2126)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBD08K, BM06K, BM114, BM114S, BM115, BS08K\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097996588,"sku":"SPM-LAS-2126-P1","price":6.74,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098029356,"sku":"SPM-LAS-2126-P5","price":31.2,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098062124,"sku":"SPM-LAS-2126-P10","price":57.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_27a44834-d304-4d57-b792-073f8a9a8780.jpg?v=1790912595"},{"product_id":"raytools-211lcg0125-aftermarket-protective-window-d37-x-7-mm-30-kw","title":"Raytools 211LCG0125 Aftermarket Protective Window, D37 x 7 mm, 30 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0125. Size D37 x 7 mm, 30 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BM06K, BM114, BM114S, BM115, BS08K, BS20K, BS30K. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 30 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e30 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm06k-laser-head-parts\" style=\"text-decoration:none\"\u003eBM06K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm114-laser-head-parts\" style=\"text-decoration:none\"\u003eBM114\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm114s-laser-head-parts\" style=\"text-decoration:none\"\u003eBM114S\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm115-laser-head-parts\" style=\"text-decoration:none\"\u003eBM115\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bs08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS08K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bs20k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS20K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bs30k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS30K\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD37 x 7 mm, 30 kW\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 30 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0125\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2127)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBM06K, BM114, BM114S, BM115, BS08K, BS20K, BS30K\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098094892,"sku":"SPM-LAS-2127-P1","price":11.67,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098127660,"sku":"SPM-LAS-2127-P5","price":53.95,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098160428,"sku":"SPM-LAS-2127-P10","price":99.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_6fa94c20-6165-46be-8b0b-5a938ac3f02f.jpg?v=1790912599"},{"product_id":"raytools-211lcg0075-aftermarket-protective-window-d38-x-2-mm","title":"Raytools 211LCG0075 Aftermarket Protective Window, D38 x 2 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0075. Size D38 x 2 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eSold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0075\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD38 x 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Raytools head using a D38 x 2 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD38 x 2 mm\u003c\/td\u003e\n\u003ctd\u003eD38 x 2 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0075\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2128)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098193196,"sku":"SPM-LAS-2128-P1","price":8.04,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098225964,"sku":"SPM-LAS-2128-P5","price":37.15,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098258732,"sku":"SPM-LAS-2128-P10","price":68.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_1d649179-9073-4781-b9e8-33ead52a04a9.jpg?v=1790912602"},{"product_id":"raytools-211lcg0009-aftermarket-protective-window-d38-1-x-1-5-mm","title":"Raytools 211LCG0009 Aftermarket Protective Window, D38.1 x 1.5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0009. Size D38.1 x 1.5 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eSold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD38.1 x 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Raytools head using a D38.1 x 1.5 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD38.1 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003eD38.1 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0009\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2129)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098291500,"sku":"SPM-LAS-2129-P1","price":12.94,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098324268,"sku":"SPM-LAS-2129-P5","price":59.85,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098357036,"sku":"SPM-LAS-2129-P10","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_dd3e0949-5233-4566-994d-f2f519351f74.jpg?v=1790912605"},{"product_id":"raytools-211lcg0069-aftermarket-protective-window-d50-x-2-mm","title":"Raytools 211LCG0069 Aftermarket Protective Window, D50 x 2 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0069. Size D50 x 2 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits AL06K, AL06R, AL20K, BC06K, BF06H, BF12K, BF20K, BW06H, BW08L, BW12K, BW20K. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0069\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD50 x 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-al06k-laser-head-parts\" style=\"text-decoration:none\"\u003eAL06K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-al06r-laser-head-parts\" style=\"text-decoration:none\"\u003eAL06R\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-al20k-laser-head-parts\" style=\"text-decoration:none\"\u003eAL20K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bc06k-laser-head-parts\" style=\"text-decoration:none\"\u003eBC06K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bf06h-laser-head-parts\" style=\"text-decoration:none\"\u003eBF06H\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bf12k-laser-head-parts\" style=\"text-decoration:none\"\u003eBF12K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bf20k-laser-head-parts\" style=\"text-decoration:none\"\u003eBF20K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bw06h-laser-head-parts\" style=\"text-decoration:none\"\u003eBW06H\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bw08l-laser-head-parts\" style=\"text-decoration:none\"\u003eBW08L\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bw12k-laser-head-parts\" style=\"text-decoration:none\"\u003eBW12K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bw20k-laser-head-parts\" style=\"text-decoration:none\"\u003eBW20K\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD50 x 2 mm\u003c\/td\u003e\n\u003ctd\u003eD50 x 2 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0069\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2130)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eAL06K, AL06R, AL20K, BC06K, BF06H, BF12K, BF20K, BW06H, BW08L, BW12K, BW20K\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098389804,"sku":"SPM-LAS-2130-P1","price":10.32,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098422572,"sku":"SPM-LAS-2130-P5","price":47.7,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098455340,"sku":"SPM-LAS-2130-P10","price":87.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_601b7848-2355-4b9d-8759-ed5b6dfd2592.jpg?v=1790912608"},{"product_id":"precitec-p0588-1022-00002-aftermarket-protective-window-d21-5-x-2-mm","title":"Precitec P0588-1022-00002 Aftermarket Protective Window, D21.5 x 2 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec laser cutting heads. Replaces Precitec P0588-1022-00002. Size D21.5 x 2 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits ProCutter 1.0, ProCutter Thunder, LightCutter, YR30. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0588-1022-00002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD21.5 x 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-procutter-1-0-laser-head-parts\" style=\"text-decoration:none\"\u003eProCutter 1.0\u003c\/a\u003e\u003cspan class=\"spm-chip\"\u003eProCutter Thunder\u003c\/span\u003e\u003cspan class=\"spm-chip\"\u003eLightCutter\u003c\/span\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yr30-laser-head-parts\" style=\"text-decoration:none\"\u003eYR30\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD21.5 x 2 mm\u003c\/td\u003e\n\u003ctd\u003eD21.5 x 2 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0588-1022-00002\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2131)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eProCutter 1.0, ProCutter Thunder, LightCutter, YR30\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098488108,"sku":"SPM-LAS-2131-P1","price":3.93,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098520876,"sku":"SPM-LAS-2131-P5","price":18.15,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098553644,"sku":"SPM-LAS-2131-P10","price":33.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_6320b9ba-85aa-4931-83d3-f4cbfbfb3518.jpg?v=1790923299"},{"product_id":"precitec-p0595-90154-aftermarket-protective-window-d24-4-x-2-mm-30-kw","title":"Precitec P0595-90154 Aftermarket Protective Window, D24.4 x 2 mm, 30 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec laser cutting heads. Replaces Precitec P0595-90154. Size D24.4 x 2 mm, 30 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits ProCutter 2.0, ProCutter Zoom 2.0. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0595-90154\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD24.4 x 2 mm, 30 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e30 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-procutter-2-0-laser-head-parts\" style=\"text-decoration:none\"\u003eProCutter 2.0\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-procutter-zoom-2-0-laser-head-parts\" style=\"text-decoration:none\"\u003eProCutter Zoom 2.0\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD24.4 x 2 mm, 30 kW\u003c\/td\u003e\n\u003ctd\u003eD24.4 x 2 mm, 30 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0595-90154\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2132)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eProCutter 2.0, ProCutter Zoom 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098586412,"sku":"SPM-LAS-2132-P1","price":14.52,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098619180,"sku":"SPM-LAS-2132-P5","price":67.15,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098651948,"sku":"SPM-LAS-2132-P10","price":123.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_0bd1059e-0fd6-4c61-a28d-ff664a6e2c31.jpg?v=1790923300"},{"product_id":"precitec-p0253-1034-00001-aftermarket-protective-window-d30-x-1-5-mm","title":"Precitec P0253-1034-00001 Aftermarket Protective Window, D30 x 1.5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec laser cutting heads. Replaces Precitec P0253-1034-00001. Size D30 x 1.5 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits HP PLUS, YW30. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0253-1034-00001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD30 x 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cspan class=\"spm-chip\"\u003eHP PLUS\u003c\/span\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yw30-laser-head-parts\" style=\"text-decoration:none\"\u003eYW30\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD30 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003eD30 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0253-1034-00001\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2133)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eHP PLUS, YW30\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098684716,"sku":"SPM-LAS-2133-P1","price":15.24,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098717484,"sku":"SPM-LAS-2133-P5","price":70.45,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098750252,"sku":"SPM-LAS-2133-P10","price":129.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_fd3c0a9a-dab7-43dd-a9e8-55a733e22eeb.jpg?v=1790923302"},{"product_id":"precitec-p0795-1201-00002-aftermarket-protective-window-d30-x-5-mm","title":"Precitec P0795-1201-00002 Aftermarket Protective Window, D30 x 5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec laser cutting heads. Replaces Precitec P0795-1201-00002. Size D30 x 5 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits SolidCutter, LightCutter, ProCutter Thunder. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0795-1201-00002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD30 x 5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cspan class=\"spm-chip\"\u003eSolidCutter\u003c\/span\u003e\u003cspan class=\"spm-chip\"\u003eLightCutter\u003c\/span\u003e\u003cspan class=\"spm-chip\"\u003eProCutter Thunder\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD30 x 5 mm\u003c\/td\u003e\n\u003ctd\u003eD30 x 5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0795-1201-00002\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2134)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSolidCutter, LightCutter, ProCutter Thunder\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098783020,"sku":"SPM-LAS-2134-P1","price":8.82,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098815788,"sku":"SPM-LAS-2134-P5","price":40.8,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098848556,"sku":"SPM-LAS-2134-P10","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_824856e1-c12d-4a04-b54a-710ac5a2a255.jpg?v=1790923304"},{"product_id":"precitec-p0595-58601-aftermarket-protective-window-d37-x-7-mm-20-kw","title":"Precitec P0595-58601 Aftermarket Protective Window, D37 x 7 mm, 20 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec laser cutting heads. Replaces Precitec P0595-58601. Size D37 x 7 mm, 20 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits ProCutter 1.0, ProCutter 2.0, ProCutter Zoom. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0595-58601\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 20 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 20 kW (Precitec rating).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-procutter-1-0-laser-head-parts\" style=\"text-decoration:none\"\u003eProCutter 1.0\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-procutter-2-0-laser-head-parts\" style=\"text-decoration:none\"\u003eProCutter 2.0\u003c\/a\u003e\u003cspan class=\"spm-chip\"\u003eProCutter Zoom\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD37 x 7 mm, 20 kW\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 20 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0595-58601\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2135)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eProCutter 1.0, ProCutter 2.0, ProCutter Zoom\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098881324,"sku":"SPM-LAS-2135-P1","price":5.72,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557098914092,"sku":"SPM-LAS-2135-P5","price":26.45,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557098946860,"sku":"SPM-LAS-2135-P10","price":48.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_7ba6a629-3a0e-432a-a8f5-204f59b78ed6.jpg?v=1790923307"},{"product_id":"precitec-p0595-117302-aftermarket-protective-window-d37-x-7-mm-30-to-60-kw","title":"Precitec P0595-117302 Aftermarket Protective Window, D37 x 7 mm, 30 to 60 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec laser cutting heads. Replaces Precitec P0595-117302. Size D37 x 7 mm, 30 to 60 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits ProCutter 2.0, ProCutter Zoom 2.0. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0595-117302\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 30 to 60 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003ePrecitec 30 HP glass, for 30 kW and above. The supplied window is rated to 60 kW, so it suits machines up to 60 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-procutter-2-0-laser-head-parts\" style=\"text-decoration:none\"\u003eProCutter 2.0\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-procutter-zoom-2-0-laser-head-parts\" style=\"text-decoration:none\"\u003eProCutter Zoom 2.0\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD37 x 7 mm, 30 to 60 kW\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 30 to 60 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0595-117302\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2136)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eProCutter 2.0, ProCutter Zoom 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557098979628,"sku":"SPM-LAS-2136-P1","price":11.67,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557099012396,"sku":"SPM-LAS-2136-P5","price":53.95,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557099045164,"sku":"SPM-LAS-2136-P10","price":99.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_ac0c06f2-ba81-4bb3-8a98-a7b997f3478e.jpg?v=1790923308"},{"product_id":"precitec-p0251-1070-00001-aftermarket-protective-window-d50-x-2-mm","title":"Precitec P0251-1070-00001 Aftermarket Protective Window, D50 x 2 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec laser cutting heads. Replaces Precitec P0251-1070-00001. Size D50 x 2 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits YK52, YW50, YW52, YC52. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0251-1070-00001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD50 x 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eThe supplied window is rated to 30 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yk52-laser-head-parts\" style=\"text-decoration:none\"\u003eYK52\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yw50-laser-head-parts\" style=\"text-decoration:none\"\u003eYW50\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yw52-laser-head-parts\" style=\"text-decoration:none\"\u003eYW52\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yc52-laser-head-parts\" style=\"text-decoration:none\"\u003eYC52\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD50 x 2 mm\u003c\/td\u003e\n\u003ctd\u003eD50 x 2 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0251-1070-00001\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2137)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eYK52, YW50, YW52, YC52\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557099077932,"sku":"SPM-LAS-2137-P1","price":16.33,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557099110700,"sku":"SPM-LAS-2137-P5","price":75.55,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557099143468,"sku":"SPM-LAS-2137-P10","price":138.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_9913939b-924d-455c-8f68-1be351ddf66b.jpg?v=1790923309"},{"product_id":"boci-dp-v-p0048aa-aftermarket-protective-window-d25-4-x-4-mm-8-kw","title":"BOCI DP.V.P0048AA Aftermarket Protective Window, D25.4 x 4 mm, 8 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for BOCI laser cutting heads. Replaces BOCI DP.V.P0048AA. Size D25.4 x 4 mm, 8 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eBOCI DP.V.P0048AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD25.4 x 4 mm, 8 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e8 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eBOCI heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt310-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT310\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt420-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT420\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt421-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT421\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt441-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT441\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt461-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT461\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt481-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT481\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt641-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT641\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eBOCI Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD25.4 x 4 mm, 8 kW\u003c\/td\u003e\n\u003ctd\u003eD25.4 x 4 mm, 8 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eDP.V.P0048AA\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2138)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557099209004,"sku":"SPM-LAS-2138-P1","price":1.43,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557099241772,"sku":"SPM-LAS-2138-P5","price":6.6,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557099274540,"sku":"SPM-LAS-2138-P10","price":12.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_cee8090b-8658-4404-b41e-17764e37e66e.jpg?v=1790912635"},{"product_id":"boci-dp-v-p0049aa-aftermarket-protective-window-d34-x-5-mm-8-to-10-kw","title":"BOCI DP.V.P0049AA Aftermarket Protective Window, D34 x 5 mm, 8 to 10 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for BOCI laser cutting heads. Replaces BOCI DP.V.P0049AA. Size D34 x 5 mm, 8 to 10 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eBOCI DP.V.P0049AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 8 to 10 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e10 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eBOCI heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt310-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT310\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt420-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT420\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt421-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT421\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt441-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT441\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt461-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT461\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt481-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT481\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt641-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT641\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eBOCI Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD34 x 5 mm, 8 to 10 kW\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 8 to 10 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eDP.V.P0049AA\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2139)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557099307308,"sku":"SPM-LAS-2139-P1","price":6.24,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557099340076,"sku":"SPM-LAS-2139-P5","price":28.85,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557099372844,"sku":"SPM-LAS-2139-P10","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_59cd6aca-73b4-42ef-8f6f-3ff38bb25bc1.jpg?v=1790912639"},{"product_id":"boci-p-s-b0021-aftermarket-protective-window-d34-x-5-mm-15-kw","title":"BOCI P.S.B0021 Aftermarket Protective Window, D34 x 5 mm, 15 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for BOCI laser cutting heads. Replaces BOCI P.S.B0021. Size D34 x 5 mm, 15 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eBOCI P.S.B0021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 15 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e15 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eBOCI heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt310-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT310\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt420-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT420\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt421-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT421\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt441-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT441\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt461-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT461\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt481-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT481\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt641-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT641\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eBOCI Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD34 x 5 mm, 15 kW\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 15 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP.S.B0021\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2140)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557099405612,"sku":"SPM-LAS-2140-P1","price":16.2,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557099438380,"sku":"SPM-LAS-2140-P5","price":74.9,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557099471148,"sku":"SPM-LAS-2140-P10","price":137.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_98067e78-28d7-450d-bff5-7b9486d5ea5a.jpg?v=1790912643"},{"product_id":"boci-dp-v-p0004aa-aftermarket-protective-window-d34-x-5-mm-20-kw","title":"BOCI DP.V.P0004AA Aftermarket Protective Window, D34 x 5 mm, 20 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for BOCI laser cutting heads. Replaces BOCI DP.V.P0004AA. Size D34 x 5 mm, 20 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eBOCI DP.V.P0004AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 20 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e20 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eBOCI heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt310-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT310\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt420-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT420\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt421-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT421\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt441-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT441\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt461-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT461\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt481-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT481\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt641-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT641\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eBOCI Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD34 x 5 mm, 20 kW\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 20 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eDP.V.P0004AA\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2141)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557099503916,"sku":"SPM-LAS-2141-P1","price":23.09,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557099536684,"sku":"SPM-LAS-2141-P5","price":106.8,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557099569452,"sku":"SPM-LAS-2141-P10","price":196.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_73fcf762-9aa2-4d48-b5b0-d10ab04a5866.jpg?v=1790912646"},{"product_id":"boci-dp-v-p0005aa-aftermarket-protective-window-d34-x-5-mm-30-kw","title":"BOCI DP.V.P0005AA Aftermarket Protective Window, D34 x 5 mm, 30 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for BOCI laser cutting heads. Replaces BOCI DP.V.P0005AA. Size D34 x 5 mm, 30 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eBOCI DP.V.P0005AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 30 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e30 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eBOCI heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt310-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT310\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt420-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT420\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt421-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT421\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt441-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT441\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt461-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT461\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt481-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT481\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt641-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT641\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eBOCI Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD34 x 5 mm, 30 kW\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 30 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eDP.V.P0005AA\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2142)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557099602220,"sku":"SPM-LAS-2142-P1","price":27.08,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557099634988,"sku":"SPM-LAS-2142-P5","price":125.25,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557099667756,"sku":"SPM-LAS-2142-P10","price":230.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_6b5b6d5c-e2a0-45a9-aef7-d21cfed112c0.jpg?v=1790912649"},{"product_id":"boci-dp-v-p0012aa-aftermarket-protective-window-d34-x-5-mm-40-kw","title":"BOCI DP.V.P0012AA Aftermarket Protective Window, D34 x 5 mm, 40 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for BOCI laser cutting heads. Replaces BOCI DP.V.P0012AA. Size D34 x 5 mm, 40 kW. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eBOCI DP.V.P0012AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 40 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e40 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eBOCI heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt310-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT310\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt420-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT420\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt421-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT421\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt441-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT441\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt461-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT461\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt481-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT481\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/boci-blt641-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT641\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eBOCI Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD34 x 5 mm, 40 kW\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm, 40 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eDP.V.P0012AA\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2143)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBLT310, BLT420, BLT421, BLT441, BLT461, BLT481, BLT641\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557099700524,"sku":"SPM-LAS-2143-P1","price":32.35,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557099733292,"sku":"SPM-LAS-2143-P5","price":149.65,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557099766060,"sku":"SPM-LAS-2143-P10","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_618c2596-ec27-4615-b0b5-3e840db7b6c9.jpg?v=1790912652"},{"product_id":"raytools-211lcg0086-aftermarket-protective-window-d24-9-x-1-5-mm-15-kw","title":"Raytools 211LCG0086 Aftermarket Protective Window, D24.9 x 1.5 mm, 15 kW","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket upper protective window for Raytools high power cutting heads. Replaces Raytools 211LCG0086, the 15 kW version of the D24.9 x 1.5 mm upper window.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThe upper window sits between the collimating optics and the fiber connector side of the head, so it stays far cleaner than the lower window. When it does get marked, usually from contamination during a fiber or lens change, it scatters power before the beam reaches the focusing lens.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eIt fits the BS08K, BD08K, BM115 and BS12K heads that use the 15 kW upper window. The standard 211LCG0020 is the same size but is only rated to 4 kW, so do not swap the two on a high power head. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0086\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD24.9 x 1.5 mm, 15 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 15 kW (Raytools rating). The supplied window is rated to 30 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bs08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS08K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bd08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD08K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bm115-laser-head-parts\" style=\"text-decoration:none\"\u003eBM115\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/raytools-bs12k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS12K\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD24.9 x 1.5 mm, 15 kW\u003c\/td\u003e\n\u003ctd\u003eD24.9 x 1.5 mm, 15 kW\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0086\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2159)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBS08K, BD08K, BM115, BS12K\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eCan I use this in place of 211LCG0020?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. It is the same D24.9 x 1.5 mm size with a higher power rating, so it can replace the standard window. The standard window should not be used in a 15 kW head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can I use this in place of 211LCG0020?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It is the same D24.9 x 1.5 mm size with a higher power rating, so it can replace the standard window. The standard window should not be used in a 15 kW head.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557800313132,"sku":"SPM-LAS-2159-P1","price":7.24,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557800345900,"sku":"SPM-LAS-2159-P5","price":33.5,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557800378668,"sku":"SPM-LAS-2159-P10","price":61.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"precitec-p0589-360-00002-aftermarket-protective-window-d22-35-x-4-mm","title":"Precitec P0589-360-00002 Aftermarket Protective Window, D22.35 x 4 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec cutting heads. Replaces Precitec P0589-360-00002, protective glass OG Y D22.35 d4 II.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThis is the process side window in the HP 1.5 and HP 2 inch heads, the HP PLUS, FineCutter, MiniCutter and YH27. It sits below the focusing lens and takes the spatter and fume from the cut.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD22.35 x 4 mm fused silica, anti reflection coated on both faces for 1064 nm fiber lasers. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0589-360-00002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD22.35 x 4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-hp1-5-laser-head-parts\" style=\"text-decoration:none\"\u003eHP1.5\"\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-hp2-laser-head-parts\" style=\"text-decoration:none\"\u003eHP2\"\u003c\/a\u003e\u003cspan class=\"spm-chip\"\u003eHP PLUS\u003c\/span\u003e\u003cspan class=\"spm-chip\"\u003eFineCutter\u003c\/span\u003e\u003cspan class=\"spm-chip\"\u003eMiniCutter\u003c\/span\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yh27-laser-head-parts\" style=\"text-decoration:none\"\u003eYH27\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD22.35 x 4 mm\u003c\/td\u003e\n\u003ctd\u003eD22.35 x 4 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0589-360-00002\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2160)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eHP1.5\", HP2\", HP PLUS, FineCutter, MiniCutter, YH27\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557800411436,"sku":"SPM-LAS-2160-P1","price":9.88,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557800444204,"sku":"SPM-LAS-2160-P5","price":45.7,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557800476972,"sku":"SPM-LAS-2160-P10","price":84.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"precitec-p0255-70558-aftermarket-protective-window-d55-x-1-5-mm","title":"Precitec P0255-70558 Aftermarket Protective Window, D55 x 1.5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec laser welding and cladding heads. Replaces Precitec P0255-70558, protective glass OG Y D55 d1.5. Trumpf lists the same D55 x 1.5 mm glass as 1584792.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eIt fits the YW52 welding head and YC52 cladding head with the 55 mm protective glass cartridge on the process side. Welding and cladding throw far more spatter and fume at the optics than cutting, so this window is changed often.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD55 x 1.5 mm fused silica, anti reflection coated on both faces for 1064 nm. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0255-70558\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD55 x 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eAlso Listed As\u003c\/td\u003e\n\u003ctd\u003eTrumpf 1584792 (D55 x 1.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yw52-laser-head-parts\" style=\"text-decoration:none\"\u003eYW52\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yc52-laser-head-parts\" style=\"text-decoration:none\"\u003eYC52\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD55 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003eD55 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0255-70558\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2161)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eYW52, YC52\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDoes it fit the standard YW52 cartridge?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt fits heads fitted with the 55 mm protective glass cartridge. Check the diameter of the window you are replacing: it must be 55 mm across and 1.5 mm thick.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does it fit the standard YW52 cartridge?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It fits heads fitted with the 55 mm protective glass cartridge. Check the diameter of the window you are replacing: it must be 55 mm across and 1.5 mm thick.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557800509740,"sku":"SPM-LAS-2161-P1","price":12.14,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557800542508,"sku":"SPM-LAS-2161-P5","price":56.15,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557800575276,"sku":"SPM-LAS-2161-P10","price":103.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"trumpf-0766719-aftermarket-protective-window-d30-x-5-mm","title":"Trumpf 0766719 Aftermarket Protective Window, D30 x 5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Trumpf fiber laser cutting machines. Replaces Trumpf 0766719, the D30 x 5 mm protective glass.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThis window is listed for the TruLaser 5000 fiber. It sits under the focusing optics and is the part that takes the spatter, so it is the optic you will change most often.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD30 x 5 mm fused silica, anti reflection coated on both faces for 1030 to 1090 nm solid state lasers. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eTrumpf 0766719\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD30 x 5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eThe supplied window is rated to 15 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eTrumpf heads\u003c\/p\u003e\n\u003cdiv\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/trumpf-trulaser-5000-laser-head-parts\" style=\"text-decoration:none\"\u003eTruLaser 5000\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eTrumpf Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD30 x 5 mm\u003c\/td\u003e\n\u003ctd\u003eD30 x 5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e0766719\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2162)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eTruLaser 5000\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557800608044,"sku":"SPM-LAS-2162-P1","price":8.82,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557800640812,"sku":"SPM-LAS-2162-P5","price":40.8,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557800673580,"sku":"SPM-LAS-2162-P10","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"trumpf-1614767-aftermarket-protective-window-d34-x-5-mm","title":"Trumpf 1614767 Aftermarket Protective Window, D34 x 5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Trumpf solid state laser machines. Replaces Trumpf 1614767 (protective glass D 34.00 mm, d 5.00 mm), also listed as 2602937.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eIt protects the focusing lens from contamination in Trumpf fiber and disk laser cutting heads that take the D34 x 5 mm glass. A marked or pitted window costs cutting power and can crack under load.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD34 x 5 mm fused silica, anti reflection coated on both faces for 1030 to 1090 nm. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eTrumpf 1614767, 2602937\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eThe supplied window is rated to 20 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eTrumpf heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Trumpf head using a D34 x 5 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo complete head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eTrumpf Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD34 x 5 mm\u003c\/td\u003e\n\u003ctd\u003eD34 x 5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e1614767 \/ 2602937\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2163)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557800706348,"sku":"SPM-LAS-2163-P1","price":8.82,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557800739116,"sku":"SPM-LAS-2163-P5","price":40.8,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557800771884,"sku":"SPM-LAS-2163-P10","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"bystronic-10086368-aftermarket-protective-window-d34-x-3-mm","title":"Bystronic 10086368 Aftermarket Protective Window, D34 x 3 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective glass for Bystronic fiber laser cutting heads. Replaces Bystronic 10086368 (fused silica, 34 x 3 mm), also listed as 10071591.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eBystronic sells the same size in two materials. This is the fused silica window. Heads running higher power use the sapphire version, Bystronic 10145862, so check which one you are replacing.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD34 x 3 mm fused silica, anti reflection coated on both faces for 900 to 1080 nm. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eBystronic 10086368, 10071591\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD34 x 3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eFused silica version. Bystronic's sapphire window 10145862 is the same size for higher power heads; this is not the sapphire window.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eBystronic heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Bystronic head using a D34 x 3 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo complete head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eBystronic Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD34 x 3 mm\u003c\/td\u003e\n\u003ctd\u003eD34 x 3 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e10086368 \/ 10071591\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2164)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs this the sapphire window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is the fused silica window, Bystronic 10086368. The sapphire window for higher power heads is 10145862.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this the sapphire window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is the fused silica window, Bystronic 10086368. The sapphire window for higher power heads is 10145862.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557800837420,"sku":"SPM-LAS-2164-P1","price":4.66,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557800870188,"sku":"SPM-LAS-2164-P5","price":21.55,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557800902956,"sku":"SPM-LAS-2164-P10","price":39.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"bystronic-10045746-aftermarket-protective-window-d36-x-5-mm","title":"Bystronic 10045746 Aftermarket Protective Window, D36 x 5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket bottom protective glass for Bystronic fiber laser cutting heads. Replaces Bystronic 10045746 (Glass ARQ1064.50.36).\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThis is the lower window under the focusing lens, the one that faces the cut. The same 36 x 5 mm glass is used in II-VI HIGHYAG BIMO cutting heads.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD36 x 5 mm fused silica, anti reflection coated on both faces for 1064 nm. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eBystronic 10045746\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD36 x 5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eAlso Listed As\u003c\/td\u003e\n\u003ctd\u003eGlass ARQ1064.50.36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eBystronic heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Bystronic head using a D36 x 5 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo complete head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eBystronic Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD36 x 5 mm\u003c\/td\u003e\n\u003ctd\u003eD36 x 5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e10045746\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2165)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557801001260,"sku":"SPM-LAS-2165-P1","price":8.74,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557801034028,"sku":"SPM-LAS-2165-P5","price":40.45,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557801066796,"sku":"SPM-LAS-2165-P10","price":74.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"precitec-p0595-97352-aftermarket-protective-window-d37-x-7-mm-20-hp","title":"Precitec P0595-97352 Aftermarket Protective Window, D37 x 7 mm, 20 HP","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for the Precitec ProCutter 2.0. Replaces Precitec P0595-97352, protective glass OG Y D37 d7 20 HP.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThis is the high power version of the D37 x 7 mm lower window. Precitec rates it to 30 kW on 1070 to 1090 nm fiber lasers and 12 kW on 1030 nm disk lasers. For heads up to 20 kW on the standard glass, the part is P0595-58601; for 30 kW and above it is P0595-117302.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD37 x 7 mm fused silica with a high damage threshold anti reflection coating on both faces. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0595-97352\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 20 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003ePrecitec rating: up to 30 kW at 1070 to 1090 nm, up to 12 kW at 1030 nm. The supplied window is rated to 30 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-procutter-2-0-laser-head-parts\" style=\"text-decoration:none\"\u003eProCutter 2.0\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD37 x 7 mm, 20 HP\u003c\/td\u003e\n\u003ctd\u003eD37 x 7 mm, 20 HP\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0595-97352\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2168)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eProCutter 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eWhich D37 x 7 window do I need?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003ePrecitec makes three: P0595-58601 (standard), P0595-97352 (20 HP, this one) and P0595-117302 (30 HP). Match the number on your current window or parts list.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which D37 x 7 window do I need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Precitec makes three: P0595-58601 (standard), P0595-97352 (20 HP, this one) and P0595-117302 (30 HP). Match the number on your current window or parts list.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557819089196,"sku":"SPM-LAS-2168-P1","price":11.67,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557819121964,"sku":"SPM-LAS-2168-P5","price":53.95,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557819154732,"sku":"SPM-LAS-2168-P10","price":99.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"precitec-p0251-1419-00001-aftermarket-protective-window-d50-x-2-mm-1064-nm","title":"Precitec P0251-1419-00001 Aftermarket Protective Window, D50 x 2 mm, 1064 nm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Precitec welding, cladding and cutting heads. Replaces Precitec P0251-1419-00001, protective glass OG Y D50 d2 1064.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eIt is the process side window for the YW50 and YW52 welding heads, the YC52 cladding head and the YK52 cutting head. Welding and cladding throw a lot of spatter at this glass, so it is changed often.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD50 x 2 mm fused silica, anti reflection coated on both faces for 1064 nm. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003ePrecitec P0251-1419-00001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD50 x 2 mm, 1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eThe supplied window is rated to 30 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003ePrecitec heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yw50-laser-head-parts\" style=\"text-decoration:none\"\u003eYW50\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yw52-laser-head-parts\" style=\"text-decoration:none\"\u003eYW52\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yc52-laser-head-parts\" style=\"text-decoration:none\"\u003eYC52\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-id\/collections\/precitec-yk52-laser-head-parts\" style=\"text-decoration:none\"\u003eYK52\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003ePrecitec Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD50 x 2 mm, 1064 nm\u003c\/td\u003e\n\u003ctd\u003eD50 x 2 mm, 1064 nm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eP0251-1419-00001\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2169)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eYW50, YW52, YC52, YK52\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs this the same as P0251-1070-00001?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eBoth are D50 x 2 mm windows for the same heads. Precitec lists them under separate numbers with different coatings. Order the number shown on your current window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this the same as P0251-1070-00001?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both are D50 x 2 mm windows for the same heads. Precitec lists them under separate numbers with different coatings. Order the number shown on your current window.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557819187500,"sku":"SPM-LAS-2169-P1","price":16.33,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557819220268,"sku":"SPM-LAS-2169-P5","price":75.55,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557819253036,"sku":"SPM-LAS-2169-P10","price":138.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"trumpf-0759720-aftermarket-protective-window-d55-x-1-5-mm","title":"Trumpf 0759720 Aftermarket Protective Window, D55 x 1.5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Trumpf solid state laser optics. Replaces Trumpf protective glass D 55.00 mm, d 1.50 mm, sold by Trumpf under 0759720 and 1584792 and also listed as 0798142 and 1615516.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThe window sits between the focusing optics and the work and takes the spatter and fume, so the lens above it stays clean. Precitec uses the same D55 x 1.5 mm glass in its YW52 and YC52 heads (P0255-70558).\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD55 x 1.5 mm fused silica, anti reflection coated on both faces for 1030 to 1090 nm. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eTrumpf 0759720, 1584792, 0798142, 1615516\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD55 x 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eTrumpf heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Trumpf head using a D55 x 1.5 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo complete head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eTrumpf Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD55 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003eD55 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e0759720 \/ 1584792 \/ 0798142 \/ 1615516\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2170)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eWhy four part numbers?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eTrumpf has listed the same D55 x 1.5 mm glass under 0759720, 1584792, 0798142 and 1615516. Any of them is replaced by this window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Why four part numbers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Trumpf has listed the same D55 x 1.5 mm glass under 0759720, 1584792, 0798142 and 1615516. Any of them is replaced by this window.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557819285804,"sku":"SPM-LAS-2170-P1","price":20.0,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557819318572,"sku":"SPM-LAS-2170-P5","price":92.5,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557819351340,"sku":"SPM-LAS-2170-P10","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"mazak-z50sa015350-aftermarket-protective-window-d42-x-9-mm","title":"Mazak Z50SA015350 Aftermarket Protective Window, D42 x 9 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Mazak fiber laser cutting machines. Replaces Mazak Z50SA015350, also listed as Z50ZZE0010 and W495.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThis is the thick D42 x 9 mm window Mazak uses below the focusing optics on its fiber machines. The extra thickness keeps it flat and stable under high power and high assist gas pressure.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD42 x 9 mm high purity fused silica, anti reflection coated on both faces for 1064 nm. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eMazak Z50SA015350, Z50ZZE0010, W495\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD42 x 9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eThe supplied window is premium grade (JGS1) fused silica. Mazak-compatible windows of this size are rated 20 to 30 kW.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eMazak heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Mazak head using a D42 x 9 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo complete head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eMazak Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD42 x 9 mm\u003c\/td\u003e\n\u003ctd\u003eD42 x 9 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eZ50SA015350 \/ Z50ZZE0010 \/ W495\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2171)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eWhich Mazak machines use it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eMazak fiber laser machines that take the D42 x 9 mm protective window, part number Z50SA015350 (W495). Check the number in your machine's parts list or on the old window's packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which Mazak machines use it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Mazak fiber laser machines that take the D42 x 9 mm protective window, part number Z50SA015350 (W495). Check the number in your machine's parts list or on the old window's packaging.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557819384108,"sku":"SPM-LAS-2171-P1","price":32.0,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557819416876,"sku":"SPM-LAS-2171-P5","price":148.0,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557819449644,"sku":"SPM-LAS-2171-P10","price":272.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"},{"product_id":"trumpf-1254813-aftermarket-protective-window-d134-x-3-mm","title":"Trumpf 1254813 Aftermarket Protective Window, D134 x 3 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective glass for Trumpf PFO scanner optics. Replaces Trumpf 1254813, protective glass D 134.00 mm, d 3.00 mm.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThe PFO (programmable focusing optics) used for remote laser welding and 3D work has a large protective glass under its scanner mirrors. It takes the spatter and fume from the process, so it is changed regularly to keep the optics above it clean.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eD134 x 3 mm fused silica, anti reflection coated on both faces for 1030 to 1080 nm. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eTrumpf 1254813\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD134 x 3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eTrumpf heads\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan class=\"spm-chip\"\u003eAny Trumpf head using a D134 x 3 mm window\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eNo complete head list is published for this size. Match the size and part number of the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eTrumpf Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD134 x 3 mm\u003c\/td\u003e\n\u003ctd\u003eD134 x 3 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e1254813\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2172)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine window changes\u003c\/strong\u003e\u003cbr\u003eThe protective window is the most frequently replaced optic in a cutting head. Change it at the first sign of spatter, pitting or a burn mark. A contaminated window absorbs laser power, heats up and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window sits between the focusing lens and the cut. Keeping it clean protects a lens that costs many times more and keeps the focal spot and cut width consistent.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRecovering lost cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows, the kerf widens or the machine needs more power for the same plate, inspect the window before changing parameters. A dirty window is the most common cause.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStocking for every head in the shop\u003c\/strong\u003e\u003cbr\u003eSingle windows for an urgent change, 5 packs for a machine running one shift, 10 packs at the lowest price per piece for busy production lines.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDoes it fit my PFO?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt fits optics that take the D134 x 3 mm protective glass, Trumpf 1254813. Check the number on the old glass or in your parts list.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-id\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-id\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does it fit my PFO?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It fits optics that take the D134 x 3 mm protective glass, Trumpf 1254813. Check the number on the old glass or in your parts list.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or in your parts list, or measure the diameter and thickness of the window you are replacing. Both must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window and suits machines that change windows every shift.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical grade alcohol.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557820105004,"sku":"SPM-LAS-2172-P1","price":230.4,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557820137772,"sku":"SPM-LAS-2172-P5","price":1065.6,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557820170540,"sku":"SPM-LAS-2172-P10","price":1958.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8d7e1a34-899a-4b7b-a1b7-5dff24d5f9a1.jpg?v=1790912576"}],"url":"https:\/\/sparepartmart.co\/en-id\/collections\/laser-protective-windows.oembed","provider":"Spare Part Mart","version":"1.0","type":"link"}