Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-BIO02-100 BioVOC-2 Breath Sampler, pk 100 Price on request GF25080BLG Filter, MCE, 0.8µm 25mm, PCM, with Black Grid Line Price on request GCU37080 Cassette, 37mm, 3pc, 0.8µm MCE 50/Box Price on request