Calibration gas, Carbon Monoxide, Hydrogen Sulfide, Nitrogen, Oxygen, Propane, 66 L, +/-5% Accuracy
55 Percent (25 Percent LEL), Carbon Monoxide 50 ppm, Hydrogen Sulfide 25 ppm, Oxygen 19 Percent, Gas Type Carbon Monoxide, Hydrogen Sulfide, Oxygen, Propane, Product Type Calibration Gas, Chemical Formula C3H8, CO, H2S, O2, CAS Number 630-08-0, 74-98-6, 7782-44-7, 7783-06-4.13 in, Cylinder Height 10.64 in, For Use With All OEM Gas Detectors, Gas Mixture Propane 0.Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 66 L, Cylinder Diameter 3.