New Devex Sampling Bag with ABS Valve & Septum Fitting, 50L Back Catalog number: HEDNDV61_50L 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 U-T11GPC-2S Unity 2/TD-100 Cold Trap carbon C4/5-C30/32 Price on request HEDMBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request