Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GB37Y1000 Band, 37mm Shrink, Yellow 1000/Pack Price on request 783-0009-02-R Battery Pack, GilAir-5. UL, ATEX, NiMH Price on request 811-9927-05 Cyclone, GK 2.69 37mm O-Ring Kit Price on request