Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended T-8MAT Materials emissions cold trap, TT24-7 Price on request U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request