Calibration gas, Nitrogen, Oxygen, 34 L, CGA 600 Connection, +/-5% Accuracy, 500 psi Max. Pressure
75 in, For Use With All OEM Gas Detectors, Gas Mixture Oxygen 4 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 Steel, Standards ISO 9001:2015, Reusability Disposable, Operating Pressure - Maximum 500 psi.