Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC837 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0509-01-R USB Wall Power Adapter Price on request 801863M Manual, BDX II Price on request 801453 O-Ring/Gasket Kit, GilAir-5 Price on request