Calibration Gas, CGA Number CGA 600, Container Type Cylinder, Cylinder Capacity 34 L, Cylinder Diameter 2.9 in, Cylinder Height 10.75 in, For Use With All OEM Gas Detectors, Gas Mixture Hexane (25 Percent LEL) 0.275 Percent, Oxygen 18 Percent, Gas Type Hexane, Oxygen, Product Type Calibration Gas, Chemical Formula C6H14, O2, CAS Number 110-54-3, 7782-44-7, Accuracy +/-5 Percent, Background Gas Nitrogen, Calibration Certificate NIST, Cylinder Material Steel, Standards ISO 9001:2015