Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-BIO02-01 BioVOC-2 Breath Sampler, pk 1 Price on request GH37SR Housing, 37mm 3pc Solvent Res 50/Box Price on request GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request