New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: NDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_6L Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Price on request H4-AXABC HiSorb probe, DVB/CWR/PDMS, inert, short version, pk 6 Price on request M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request