Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GFG85037MM Filter, Glass Fiber, Binderless, 1.1µm, 37mm, 100/ Price on request 811-9932-02 Cyclone, Filter Cassettes, 37mm, European style fo Price on request 801863-171 BDX II Pump, No Charger Price on request