New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Back Catalog number: HEDNDV31_25L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request C-POD-H010 Spare Support Body, for POD sampler, pk 10 Price on request