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 M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request C-KITME01-2S Basic material emissions starter kit Price on request