Description 4-Gas Cylinder for Drager, CO 100 ppm / CH4 2.5% vol (50% LEL) / H2S 25 ppm / O2 17.0% vol in N2, 58L, 4594655 Description Specifications This 4-Gas Cylinder can calibrate Drager products. Gases include Carbon Monoxide 100 ppm, Hydrogen Sulfide 25 ppm, Methane 2.5% vol (50% LEL), and Oxygen 17% vol with Nitrogen balance. Gas NameCarbon Monoxide, Hydrogen Sulfide, Methane Oxygen, Nitrogen Gas Mixture100 PPM Carbon Monoxide, 15 PPM Hydrogen Sulfide, 2.5% Methane (50% LEL) , 17% Oxygen Background GasNitrogen Cylinder Capacity58 L Cylinder MaterialAluminum Alloy Max. Pressure500 psi Cylinder Diameter3.53 in. Cylinder Height14.25 in. Accuracy /-5% Valve Inlet5/8-18 UNF (C10) Weight1 lbs 12 oz