Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCU37AE-2 Cassette, 37mm 2pc w/ Type A/E Glass Fiber, 50/Box Price on request 202142 Aircon Airboss, for inlet or outlet Price on request GCU37200T Cassette, 37mm, 3pc, 2.0µm,Teflon, 50Box Price on request