Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GC728PC Cassette, 37mm, 2 pc, 0.8µm Polycarbonate, 50/Box Price on request 811-0921-01-R GilAir Plus impinger Bracket for single impinger h Price on request 811-9930-01 Cyclone, FSP-2 Higgins-Dewell Style Cyclone with E Price on request