Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCCS10 Cassette, Carpet Sampling, 10/Box Price on request 811-9910-01 Conductive Plastic Cassette With Transport Clip An Price on request 811-0501-01 Flow Monitoring Software Kit (Software, Cable, & M Price on request