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 TDL32_5L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Price on request U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request