New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Back Catalog number: HEDNDV31_50L Availability: In the manufacturer's stock Price on request - + Recommended U-COV450 O-Rings, low-emission,pk100 Price on request TDL32_2L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Price on request M-MCHSI Sample pans for M-CTE120I, inert,pk 6 Price on request