Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0901-EU-R GilAir-Plus Basic Single Starter Kit, Euro cord Price on request 811-0509-01-R USB Wall Power Adapter Price on request 811-9927-03 Cyclone, BGI4L Replacement Screw Kit Price on request