New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Back Catalog number: NDV31_50L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_6L Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Price on request H1-AXABC HiSorb probe, inert, short, pk/6 Price on request C-EZVOCAK Easy-VOC accessory pack Price on request