Side Insert Assembly GilAir-5 Back Catalog number: 801447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GFPC837 Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Price on request GF37050T Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Price on request 801453 O-Ring/Gasket Kit, GilAir-5 Price on request