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 Housing, 37mm 3pc Opaque, 50/Box Price on request 811-9925-01 Cyclone, GK4.162 -RASCAL Cyclone (9LPM Respirable- Price on request GCU37080S Cassette, 37mm 3pc 0.8µm MCE Sterile, 50/Pack Price on request