Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 783-0008-04 Battery Pack, Replacement BDX II, NiMH Price on request GF25120 Filter, MCE 1.2µm 25mm, 100/Pack Price on request 800093-3 Inlet Filter Replacement Kit, LFS-113 (Packg of 3) Price on request