Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC837 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800883-171-2305 GilAir-5 R Pump, 5-Pack with Universal 5-Unit Char Price on request GH37-2 Housing, 37mm 2pc Opaque, 50/Box Price on request 811-9927-03 Cyclone, BGI4L Replacement Screw Kit Price on request