Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 34 L, Cylinder Diameter 3.13 in, Cylinder Height 10.64 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 60 ppm, Hydrogen Sulfide 10 ppm, Methane (29 Percent LEL) 1.45 Percent, Oxygen 15 Percent, Pentane (58 Percent LEL), Gas Type Carbon Monoxide, Hydrogen Sulfide, Methane, Oxygen, Sulfur Dioxide, Product Type Calibration Gas, Chemical Formula CH4, CO, H2S, O2, SO2