Teflon Bag, On-Off Valve (50L) Back Catalog number: TE-24 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-BIO02-10 BioVOC-2 Breath Sampler, pk 10 Price on request 800287 Bubble Generator, Low Flow Cell, Gilibrator 2 (Pla Price on request 800843 Carrying Case, Hard Side, Deluxe (18" x 13" x 7"), Price on request