Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801863M Manual, BDX II Price on request 811-9927-03 Cyclone, BGI4L Replacement Screw Kit Price on request 811-0507-01-R Power Adapter, Universal Wall w/USB A to USB B cab Price on request