Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SC-6 Tedlar Bag (8L) Price on request GFPC525 Filter, 25mm, 5.0µm, Polycarbonate, Plain White, 1 Price on request 783-0012-01-R Battery Pack NiMH Rechargeable Price on request