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-T7EMP-2S Empty cold trap for UNITY series 2 Price on request H4-AXAAC HiSorb probe, DVB/CWR/PDMS, inert, standard length, pk 6 Price on request U-TO15-KXR Focusing trap, Trace TO-15, for UNITY-xr with Kori-xr Price on request