GASCO equivalent for MSA 10048889 Carbon Monoxide 60 PPM, 2.5% Methane (50% LEL), Hydrogen Sulfide 20 PPM, Oxygen 15%, Balance Nitrogen contained in a 58L Liter Disposable Aluminum Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA

All GASCO calibration Gas is supplied with individual certificate of analysis to nist-traceable standard and SDS

Does Not Include any type of MSA Card