Product Description
74L-404-17 | X05NI80CP7509B3 | Calibration Gas, 100 PPM Carbon Monoxide, Methane 2.5% (50% LEL), 25 PPM H2S, 17% Oxygen, Balance Nitrogen contained in a 74L Liter Disposable Aluminum Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA