Calibration Gas, Container Type Cylinder, Cylinder Capacity 58 L, Cylinder Diameter 3 in, Cylinder Height 13.25 in, For Use With Mfr. No. 10051149, Mfr. No. 10090344, Gas Mixture Carbon Monoxide 60 ppm, Hydrogen Sulfide 20 ppm, Methane 1.45 Percent,...