Teflon Bag, On-Off Valve (4.7L) Back Catalog number: TE-23 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800252 Single Variable Flow Starter Kit (Includes 6x70mm, Price on request 811-0905-01-R Inlet Filters, Replacement for GilAir Plus, Pack o Price on request 800286 Bubble Generator, Standard Flow Cell, Gilibrator 2 Price on request