Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC837 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9927-02 Cyclone, BGI4L O-Ring Kit & Gasket Kit Price on request 800255 Single Variable Flow Kit, 7-10 x 110mm Price on request 800885-171-2305 GilAir-5 RC Pump, 5-Pack with Universal 5-Unit Cha Price on request