Teflon Bag, On-Off Valve (50L) Back Catalog number: TE-24 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request 810-0901-01-R Basic Pump Only (No Dock) Price on request 811-0917-01-R Replacement Screws for GilAir Plus, Pk of 25 (4-40 Price on request