Calibration gas, Air, Carbon Monoxide, 44 L, C-10 Connection, +/-5% Accuracy, 825 psi Max. Pressure
13 in, Cylinder Height 10.64 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 250 ppm, Gas Type Carbon Monoxide, Product Type Calibration Gas, Chemical Formula CO, CAS Number 630-08-0, Accuracy +/-5 Percent, Background Gas Air, Calibration Certificate NIST, Cylinder Material Aluminum Alloy, Outlet Connection Size 5/8 In.