Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request C-HSPVLP-6 HiSorb Septum Plug, pk 6 Price on request