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| Filtration Media | Borosilicate micro glass fibre 3 µm |
| Media type | Borosilicate micro glass fibre |
| Filtration Rating | 3 µm |
| Permissible Flow | 1242 m3/h |
| Flow direction | Out-In |
| Hole diameter | 22 mm (7/8") |
| Total Height | 282 mm (11 3/32") |
| Type | o-ring |
| Product Net Weight | 13.08 kg (28.84 lbs) |
| Largest Inner Diameter | 264 mm (10 13/32") |
| Outer Diameter | 350 mm (13 25/32") |
| Largest Outer Diameter | 597 mm (23 1/2") |
| Stat. HS-Code | 84149000 |
| Country of Manufacture | China |
| Brand | Code |
|---|---|
| Atlas Copco | 1621938400 |
| Atlas Copco | 1621938499 |
| Atlas Copco | 2906075100 |
| Fai Filtri | DFF-350280-01 |
| HiFi Filter OT | 2104 |
| Mann-Filter / Mann & Hummel | 4930353281 |
| Mann-Filter / Mann & Hummel | 4999990130 |
| Noitech NS | 026530 |
| Oxfil | SP.3265 |
| Sotras | DC3265 |
| Sotras DC | 3265 |
| Spare Part Mart | SPM-SEP-1079 |
| T.G. Filter | 3350281 |
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High-Volume Air Systems
In facilities with large compressed air networks, the SPM-SEP-1079 handles flow rates up to 1242 m3/h, ensuring consistent filtration without bottlenecks. This keeps production lines running smoothly even during peak demand.
Continuous-Duty Operations
For plants that run compressors 24/7, this separator's 3 µm borosilicate media provides reliable protection against particulate ingress, reducing unplanned downtime and extending equipment life.
Harsh Industrial Environments
In dusty or dirty settings, the Out-In flow design helps trap contaminants on the outer surface, making the separator effective for pre-filtration before downstream components.
Inventory Consolidation
By replacing multiple brand-specific separators with one cross-referenced part, maintenance teams can simplify stock and reduce procurement complexity across different compressor brands.
Check your compressor's serial number. This separator fits GA 110 models from s/n AIF084862 and s/n AIF056813, as well as GA 90 from those same serial number ranges, plus G 110 and G 110 W models.
The separator uses borosilicate micro glass fibre media with a filtration rating of 3 µm, effective for capturing fine particulates in compressed air systems.
It has an outer diameter of 350 mm, largest outer diameter of 597 mm, largest inner diameter of 264 mm, total height of 282 mm, and a 22 mm hole diameter. The seal type is o-ring.
This is an aftermarket replacement built to match OEM specifications. It cross-references brands including Atlas Copco, Fai Filtri, HiFi Filter OT, Mann-Filter, Noitech NS, Oxfil, Sotras, and T.G. Filter.
Installation follows standard procedures for o-ring type separators. Ensure the flow direction is Out-In (flow from outside to inside) and verify the o-ring seals properly. Refer to your compressor manual for specific steps.
We offer worldwide shipping with tracking, a 30-day money-back guarantee, and a price-beat guarantee. Contact us for specific delivery times to your location.
Orders typically require 1–3 business days for processing. During this time, we confirm product availability and prepare the shipment for consolidation.
We offer two shipping tiers designed to meet your operational needs. The exact costs for all shipping options will be displayed at checkout.
Express Shipping (UPS, DHL, etc.)
Ideal for urgent needs. Estimated delivery time is typically 3–5 business days after processing.
Economy Shipping
Our standard, cost-effective option. Estimated delivery time is typically 5–10 business days after processing.
Shipping costs are calculated at checkout based on your location and selected shipping method.
Once your order ships, you'll receive a tracking number via email so you can monitor your delivery.
For detailed delivery information and FAQs, please visit our Delivery Information page or contact us.

