Calibration gas, Carbon Monoxide, Hydrogen Sulfide, Methane, Nitrogen, Oxygen, 74 L, +/-5% Accuracy
5 Percent, Oxygen 19 Percent, Gas Type Carbon Monoxide, Hydrogen Sulfide, Methane, Oxygen, Product Type Calibration Gas, Chemical Formula CH4, CO, H2S, O2, CAS Number 630-08-0, 74-82-8, 7782-44-7, 7783-06-4, Accuracy +/-5 Percent.Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 74 L, Cylinder Diameter 4.25 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 100 ppm, Hydrogen Sulfide 25 ppm, Methane (50 Percent LEL) 2.