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 H1-AXAAC HiSorb probe, inert, standard, pk/6 Price on request U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request C-CL100 Penclips, pk100 Price on request