Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request TDLC31Z_0.3L Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Price on request