Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-28 Teflon Bag, Septum Valve (50L) Price on request 6075-0410-R Screwdriver, Philips / Pan-Head 40 x 5/8, GilAir-3 Price on request 911-0501-EU-R Single Unit Charger w/ Power Adapter, USB Gilibrat Price on request