Teflon Bag, On-Off Valve (50L) Back Catalog number: TE-24 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCAOC10 Cassette, Air-O-Cell 10/Box Price on request C-BIO02-01 BioVOC-2 Breath Sampler, pk 1 Price on request 811-0508-01-R Cable, Printer, 9-pin to 25-pin, Gilibrator 2 USB Price on request