Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0910-EU-R GilAir-Plus Data Logging Single Starter Kit, Bluet Price on request GC728PC Cassette, 37mm, 2 pc, 0.8µm Polycarbonate, 50/Box Price on request 811-0818-EU Gilian 800i/5000/10i/12 Five Unit Charger, Univer Price on request