Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCU37AE Cassette, 37mm 3pc w/ Type A/E Glass Fiber, 50/Box Price on request 811-0509-01-R USB Wall Power Adapter Price on request 400692 Battery Pack, NiMH for old style Gilibrator Price on request