Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801863-171-2301 BDX II Starter Kit, 230V Price on request 811-0920-01 Replacement Valve Caps (Pack of 2) Price on request 811-9961-EU Gilian 800i/5000/10i Power Module, EU Cord Price on request