New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: HEDNDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request HEDDEV71_5L Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Price on request