Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 400667 Soap Dispenser, Gilibrator/Gilibrator-2 Price on request 910-0909-NO-R GilAir-Plus STP 3-Pump Starter Kit, No cord Price on request 801863M Manual, BDX II Price on request