Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-1601-NO Gilian 12 Starter Kit, No Cord Price on request 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request 783-0007-01 Battery Pack, Replacement for Gilian 5000, 800i & Price on request