Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-BIO02-10 BioVOC-2 Breath Sampler, pk 10 Price on request TE-24 Teflon Bag, On-Off Valve (50L) Price on request C-DFR Dual Flow Regulator Accessory, for ACTI-VOC and ACTI-VOC PLUS Price on request