Calibration Gas, Air, Carbon Monoxide, Hydrogen Sulfide, Methane, 34 L, C-10 Connection
5 Percent, Oxygen 19 Percent, Sulfur Dioxide 10 ppm, Gas Type Carbon Monoxide, Hydrogen Sulfide, Methane, Product Type Calibration Gas, Chemical Formula CH4, CO, H2S, CAS Number 630-08-0, 74-82-8, 7783-06-4, Accuracy +/-5 Percent, Background Gas Nitrogen.64 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 50 ppm, Methane (50 Percent LEL) 2.Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 34 L, Cylinder Diameter 3.