Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GH37-2 Housing, 37mm 2pc Opaque, 50/Box Price on request 811-0921-02-R GilAir Plus impinger Bracket for dual impinger hol Price on request GCU37080MW Cassette, 37mm, 3pc, 0.8µm, MCE, Matched, Unb. 50/ Price on request