Cassette, 37mm, 3 pc, 0.8µm Polycarbonate, 50/Box Back Catalog number: GC738PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200158 Cyclone Spring (each) Price on request 801453 O-Ring/Gasket Kit, GilAir-5 Price on request 800257 Single Variable Flow Kit, 7-10 x 175mm Price on request