We sell a full line of replacement air compressor line filter cartridges elements. Filters are coalescing and particulate filters, the key to effective filtration is to optimize the filtration mechanisms through the filter media of borosilicate microfibers. we supply the replacement line filter cartridges for all major brand make rotary screw compressors such as kaeser, atlas copco, elgi, Ingersoll rand, Chicago pneumatic etc.