Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCU37200T Cassette, 37mm, 3pc, 2.0µm,Teflon, 50Box Price on request 811-0507-01-R Power Adapter, Universal Wall w/USB A to USB B cab Price on request 910-0202-02 GilAir-3 Basic [ATEX], 5-Pack (With Universal 5-Un Price on request