Side Insert Assembly GilAir-5 Back Catalog number: 801447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCU37AE-2 Cassette, 37mm 2pc w/ Type A/E Glass Fiber, 50/Box Price on request GFPC4537 Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Price on request GCU37500PVCPW100 Cassette, 37mm 2pc 5.0µm, PVC Preweighed, 50/Box Price on request