Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T 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 800510-171-2305 GilAir-3 RP Pump, 5-Pack with Universal 5-Unit Cha Price on request 811-9961-NO Gilian 800i/5000/10i Power Module, No Cord Price on request