Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800883-171 GilAir-5 R Pump, No Charger Price on request TE-28 Teflon Bag, Septum Valve (50L) Price on request 800257 Single Variable Flow Kit, 7-10 x 175mm Price on request