Pump Filter Kit (3 Filters, 3large o-rings, 3 sma Back Catalog number: 800556 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GH37SR Housing, 37mm 3pc Solvent Res 50/Box Price on request 800485-171-2301 GilAir-3 R Pump, Starter Kit, 230V Euro Style Plug Price on request GFPC837 Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Price on request