Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended H4-AXABC HiSorb probe, DVB/CWR/PDMS, inert, short version, pk 6 Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request