This cartridge is a direct replacement air filter cartridge designed for use in a range of industrial compressors and vacuum pumps. It features a robust filtration media and is built to the original dimensions and ratings. With a total height of 227 mm, an outer diameter of 110 mm (largest 137 mm), and inner diameters of 50 mm and 8.5 mm, this cartridge ensures a secure fit and reliable performance. It is a cost-effective aftermarket alternative for equipment from brands such as Aias, Air Supply Co, Atlas Copco, Becker, Cap, Elmo Rietschle, Fai Filtri, Hako, HiFi Filter, Kaeser, Keltec, Mann-Filter, Noitech, Oxfil, Sofin, Sotras, and T.G. Filter.
Technical properties & cross references
Specifications
| Total Height |
227 mm (8 15/16") |
| Product Net Weight |
0.59 kg (1.3 lbs) |
| Largest Inner Diameter |
50 mm (1 31/32") |
| Smallest Inner Diameter |
8.5 mm (11/32") |
| Outer Diameter |
110 mm (4 11/32") |
| Largest Outer Diameter |
137 mm (5 13/32") |
| Stat. HS-Code |
84149000 |
| Country of Manufacture |
China |
Price beat guarantee
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller |
Price |
Checked |
| Oxfil |
USD 14.57 |
16 Oct 2026 |
| eBay, aftermarket seller |
USD 54.65 |
9 Oct 2026 |
| The Air Market |
USD 60.60 |
9 Oct 2026 |
| Spare Part Mart |
USD 11.66 |
Today |
Our price of USD 11.66 is 20% to 81% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Use cases & applications
Continuous-Duty Compressor Operation
In facilities where compressors run around the clock, this air filter cartridge maintains consistent airflow and protects internal components from dust and debris. Its robust construction helps reduce maintenance frequency in demanding continuous-duty cycles.
Harsh Industrial Environments
Workshops with high particulate levels, such as woodworking or metal grinding shops, benefit from the cartridge's efficient filtration. It captures airborne contaminants before they enter the compressor, prolonging equipment life and reducing oil contamination.
Fleet Maintenance and Inventory Consolidation
For service centres maintaining multiple compressor brands, this single cartridge fits Kaeser SK 11, SK 18, and SK 25 models, as well as Atlas Copco equipment. This simplifies stock management and reduces the need for multiple filter part numbers.
Vacuum Pump Protection in Packaging Lines
In packaging machinery using Elmo Rietschle or Becker vacuum pumps, the cartridge ensures clean intake air, preventing premature wear on pump vanes and maintaining consistent vacuum levels for reliable sealing and handling.
Frequently asked questions
How do I confirm this filter fits my specific machine?
Check your machine's model number against our verified fitments: Kaeser SK 11, SK 18, and SK 25. For Atlas Copco equipment, the filter is compatible but we do not have specific model confirmations. Always compare the dimensions (height 227 mm, outer diameter 110/137 mm, inner diameters 50 mm and 8.5 mm) with your current filter.
What is the filtration rating or media type of this cartridge?
The product specifications do not include a specific micron rating or media type. It is designed as a direct replacement air filter cartridge for the listed brands and applications.
What are the thread or mounting details for this filter?
The filter has a smallest inner diameter of 8.5 mm and a largest inner diameter of 50 mm. It does not use threads; it is a cartridge-style element that fits over a centre tube or into a housing. Verify the mounting configuration on your equipment.
Is this aftermarket filter as reliable as the branded version?
Our aftermarket cartridge is built to the original dimensions and ratings and offers a cost-effective alternative. It is not a genuine or OEM part, but it is designed for reliable performance in the same applications.
How do I install this air filter cartridge?
Installation is straightforward: remove the old cartridge, clean the housing if necessary, insert the new cartridge ensuring it seats properly on the centre tube, and secure the cover. No special tools are required.