Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 58 L, Cylinder Diameter 3.53 in, Cylinder Height 14.25 in, For Use With All OEM Gas Detectors, Gas Mixture Oxygen 0.8 Percent, Gas Type Oxygen, Product Type Calibration Gas, Chemical Formula O2, CAS Number 7782-44-7, Accuracy +/-5 Percent, Background Gas Nitrogen, Calibration Certificate NIST, Cylinder Material Aluminum Alloy, Outlet Connection Size 5/8 in, Outlet Connection Type UNF, Standards ISO 9001:2015