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-T4WMT-2S Water Management, ethane - C20, cold trap Price on request HEDNDV31_25L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Price on request C-CL010 Penclips, pk10 Price on request