Teflon Bag, Septum Valve (50L) Back Catalog number: TE-28 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0920-01 Replacement Valve Caps (Pack of 2) Price on request GPG25100 Filter, Support Pads, Cellulosic, 25mm, 40.0µm, 10 Price on request 800061 Cyclone, Dorr-Oliver, 10mm - Nylon (1.7LPM-US) Price on request