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 1231 BALLOONS FOR GAS SAMPLING, 1,5Liters Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request C-HSPVLP-20 HiSorb septum plug, pk 20 Price on request