New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: NDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended C-TDKIT-02 Essential Automated TD Starter Kit Price on request C-HSPVLP-20 HiSorb septum plug, pk 20 Price on request TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request