Calibration gas, Carbon Monoxide, Methane, Nitrogen, Oxygen, 103 L, C-10 (5/8 in UNF) Connection
5 Percent, Oxygen 17 Percent, Gas Type Carbon Monoxide, Methane, Oxygen, Product Type Calibration Gas, Chemical Formula CH4, CO, O2, CAS Number 630-08-0, 74-82-8, 7782-44-7, Accuracy +/-5 Percent, Background Gas Nitrogen, Calibration Certificate NIST.3 in, Cylinder Height 13.6 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 250 ppm, Methane (50 Percent LEL) 2.Calibration Gas, CGA Number Not Applicable, Container Type Cylinder, Cylinder Capacity 103 L, Cylinder Diameter 3.