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 DEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request