Teflon Bag, Septum Valve (50L) Back Catalog number: TE-28 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-1004-02 PM-10 Impactor Kit, Replacement for Models 810-1002 and 810-1003 Price on request 800883-171-2305 GilAir-5 R Pump, 5-Pack with Universal 5-Unit Charger, 230V Euro Style Plug Price on request 811-9913-01 Challenger O-Ring Replacement Kit Price on request