Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 810-1501-01 Gilian 10i Pump Kit UL ATEX, Pump Only, No Charger Price on request GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request 911-0601-EU-R Single Unit Charger w/ Power Adapter, USB, BDX-2- Price on request