Teflon Bag, Septum Valve (4.7L) Back Catalog number: TE-27 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCU3745GS Cassette, 37mm 3pc .45µm MCE Gridded Sterile 50/Pk Price on request C-BIO02-01 BioVOC-2 Breath Sampler, pk 1 Price on request 811-9910-01 Conductive Plastic Cassette With Transport Clip An Price on request