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 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request NDV61_50L New Devex Sampling Bag with ABS Valve & Septum Fitting, 50L Price on request NDV61_25L New Devex Sampling Bag with ABS Valve & Septum Fitting, 25L Price on request