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 800844 Diagnostic Panel with Carrying Case (2-50cc, 20-20 Price on request 800485-111-01 GilAir-3 R Pump, No Battery Price on request