Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request