Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC837 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-1301-EU Gilian 800i,Starter Kit, EU Cord Price on request 910-0914-EU-R GilAir-Plus Data Logging 3-Pump Starter Kit, Bluet Price on request 783-0007-01 Battery Pack, Replacement for Gilian 5000, 800i & Price on request