Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended FEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request RMK-0006HT Routine maintenance kit for M-CTE250I Price on request