Teflon Bag, On-Off Valve (50L) Back Catalog number: TE-24 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-B100M BioVOC Disposable Cardboard Mouthpieces, pk 100 Price on request 800510-171-2305 GilAir-3 RP Pump, 5-Pack with Universal 5-Unit Cha Price on request 800508-171-2305 GilAir-3 RC Pump, 5-Pack with Universal 5-Unit Cha Price on request