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 SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request C-HSINS10-6 Agitator spacer for vials, 20mL to 10mL, pk/6 Price on request