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 DEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request TDL71_6L Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Price on request