Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF37050T Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Price on request 811-9927-05 Cyclone, GK 2.69 37mm O-Ring Kit Price on request 801446 Side Anti-Tamper Plate GilAir-3/5 Clock & Prog Mod Price on request