Latex Tubing, 1/4" ID (18"), Standard/High Flow, G Back Catalog number: 200904 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9917-05 Go-Cal Dampening Module Price on request C-BIO02-01 BioVOC-2 Breath Sampler, pk 1 Price on request 811-9923-EU-R Single Unit Replacement Power Adapter, USB-Euro Co Price on request