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 800518 Low Flow Module, Blue, GilAir-3/GilAir-5 Constant Price on request 800485-111-01 GilAir-3 R Pump, No Battery Price on request 201044-10 Filter Housing, Front, GilAir-3/GilAir-5 Price on request