Calibration Gas, Container Type Cylinder, Cylinder Capacity 58 L, Cylinder Diameter 3.5 in, Cylinder Height 14.5 in, For Use With Gas Calibration Equipments, Gas Mixture Carbon Monoxide 100 ppm, Hydrogen Sulfide 25 ppm, Methanem (50 Percent LEL), Oxygen 17 Percent, Gas Type Carbon Monoxide, Hydrogen Sulfide, Methane, Oxygen, Product Type Calibration Gas, Accuracy +/-5 Percent, Background Gas Nitrogen, Calibration Certificate NIST, Cylinder Material Aluminum Alloy, Outlet Connection Type C-10