FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDFEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended HEDTDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request H2-AXAAC HiSorb probe, PDMS/CWR, inert, standard length, pk 6 Price on request TDL32_5L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Price on request