Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 911-0501-EU-R Single Unit Charger w/ Power Adapter, USB Gilibrat Price on request 800518 Low Flow Module, Blue, GilAir-3/GilAir-5 Constant Price on request GCU37080MW-2 Cassette, 37mm 2pc 0.8µm, MCE Matched (50µg), 50/B Price on request