Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800844-2-230 Gilibrator-2 Standard Flow Diagnostic Kit, 230V, E Price on request 800519 Multi-Flow Module, Blue, GilAir-3/GilAir-5 (1 to 7 Price on request TE-27 Teflon Bag, Septum Valve (4.7L) Price on request