Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 783-0007-01 Battery Pack, Replacement for Gilian 5000, 800i & Price on request C-DFR Dual Flow Regulator Accessory, for ACTI-VOC and ACTI-VOC PLUS Price on request C-BIO02-01 BioVOC-2 Breath Sampler, pk 1 Price on request