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_5L Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request