Filter, 37mm, 0.2µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC0237 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800508-171-2305 GilAir-3 RC Pump, 5-Pack with Universal 5-Unit Cha Price on request 615-0908-05-R Carrying Case, Hard Side, for GilAir Plus 3-pack Price on request 400692 Battery Pack, NiMH for old style Gilibrator Price on request