Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 810-0902-02-R Data Logging, Bluetooth, Pump Only (No Dock) Price on request 801012-100 Aircon-2 DC Programmable Area Air Sampling Pump, ( Price on request 811-9928-02 Cyclone, 47mm Filter Screen (Stainless Steel) for Price on request