Teflon Bag, On-Off Valve (0.5L) Back Catalog number: TE-22 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9917-03 Go-Cal Replacent Battery Pack Price on request 811-9919-EU GilAir-3/5 BDX-2-Euro Five Unit Charger, Universal Price on request GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request