Teflon Bag, On-Off Valve (0.5L) Back Catalog number: TE-22 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-27 Teflon Bag, Septum Valve (4.7L) Price on request GF25120 Filter, MCE 1.2µm 25mm, 100/Pack Price on request 911-0601-EU-R Single Unit Charger w/ Power Adapter, USB, BDX-2- Price on request