Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 783-0009-02-R Battery Pack, GilAir-5. UL, ATEX, NiMH Price on request KB-1 Kynar Bag 1.0L Price on request GF37500PVC Filter, PVC, 5.0µm, 37mm, 100/Pack Price on request