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 RMK-0027 Routine Maintenance kit, tube based systems, no co Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request