Teflon Bag, On-Off Valve (4.7L) Back Catalog number: TE-23 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0102-02 GilAir-5 Basic [ATEX], 5-Pack (With Universal 5-Un Price on request 401036 Sampling Mast, Aircon-2 Price on request C-BIO02-01 BioVOC-2 Breath Sampler, pk 1 Price on request