Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L 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 U-T6SUL-2S Sulphur/labile cold trap, Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request