Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPVLP-6 HiSorb Septum Plug, pk 6 Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request