Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_10L Availability: In the manufacturer's stock Price on request - + Recommended U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request U-COV108-H O-ring, Injector Liner, Black, High Temp, pk/1 Price on request