Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 103 L, Cylinder Diameter 3.3 in, Cylinder Height 13.6 in, For Use With All OEM Gas Detectors, Gas Mixture Argon 99.999 Percent, Gas Type Argon, Product Type Calibration Gas, Chemical Formula AR, CAS Number 7440-37-1, Accuracy +/-5 Percent, Background Gas Not Applicable, Calibration Certificate NIST, Cylinder Material Steel, Outlet Connection Size 5/8 In.-18, Outlet Connection Type UNF, Standards ISO 9001:2015