Gasco 34 L Calibration Gas; 100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 2.5% Methane (50% LEL), 18% Oxygen, Balance Nitrogen

Calibration Gas, Gas Name Carbon Monoxide, Hydrogen Sulfide, Methane, Nitrogen, Oxygen, Gas Mixture 100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 2.5 Percent Methane (50 Percent LEL) , 18 Percent Oxygen, Balance Nitrogen, Background Gas Nitrogen, Cylinder Capacity 34 L, Cylinder Material Aluminum, For Use With Any and All OEM Gas Detectors, Connection Size C-10, Max. Pressure 500 psi, Cylinder Dia. 3 1/8 in, Cylinder Height 10 3/4 in, Accuracy +/-5 Percent, Calibration Certificate NIST