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 TDL32_2L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Price on request M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request