Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0915-EU-R GilAir-Plus STP 3-Pump Starter Kit, Bluetooth, Eur Price on request GCU37500PVCMW Cassette, 37mm 3pc 5.0µm, PVC Matched, (50µg), 50/ Price on request 811-9924-01 Cyclone, BGI4L Aluminum Cyclone (2.2LPM Respirabl Price on request