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 HEDMBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request C-POD-B010 Spare Diffusive Body, for POD sampler, pk 10 Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request