Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-1301-EU Gilian 800i,Starter Kit, EU Cord Price on request GFPC837 Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Price on request 783-0015-01 Lithium Ion Replacement Battery Pack for Nephelome Price on request