Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0303-01-R Single Unit Replacement Charger only, USB, LFS-11 Price on request 800556 Pump Filter Kit (3 Filters, 3large o-rings, 3 sma Price on request 801012-100 Aircon-2 DC Programmable Area Air Sampling Pump, ( Price on request