Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended H4-AXAAC HiSorb probe, DVB/CWR/PDMS, inert, standard length, pk 6 Price on request TDL71_5L Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request