Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0504-01-R Single Unit Replacement Charger only, USB Gilibrat Price on request 800556 Pump Filter Kit (3 Filters, 3large o-rings, 3 sma Price on request 810-0903-02-R STP, Bluetooth, Pump Only (No Dock) Price on request