Calibration gas, Carbon Monoxide, Hydrogen Sulfide, Nitrogen, Pentane Oxygen, 58 L, C-10 Connection
25 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 100 ppm, Hydrogen Sulfide 25 ppm, Pentane (25 Percent LEL) 0.35 Percent, Gas Type Carbon Monoxide, Hydrogen Sulfide, Nitrogen, Pentane Oxygen, Product Type Calibration Gas, Chemical Formula C5H12, CO, H2S, N2, O2, CAS Number 109-66-0, 630-08-0, 7727-37-9, 7782-44-7, 7783-06-4.