Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 810-1301-01 Gilian 800i Pump Only, No Charger Price on request 811-9919-EU GilAir-3/5 BDX-2-Euro Five Unit Charger, Universal Price on request 385-0112-01 Sheath Air Purge Flow Filter for Nephelometer Price on request