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 U-ULKIT TD automation/ULTRA-xr starter kit Price on request H1-AXAAC HiSorb probe, inert, standard, pk/6 Price on request U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request