Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_10L Availability: In the manufacturer's stock Price on request - + Recommended 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request U-COV45 O-Ring, low-emission, 5.92mm i.d. pk10 (6mm Difflo Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request