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Loading... Please wait...Methane Calibration Gas CH4 50% Balance Nitrogen [NOT LEL] CH4 Calibration Gas in Nitrogen contained in a 34 Liter Aluminum Disposable Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA
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![Methane Calibration Gas CH4 50% Balance Nitrogen [NOT LEL]](https://cdn1.bigcommerce.com/server4000/59olf0/products/148716/images/323395/1546233260.1280.1280__06026.1719082437.1280.1280.jpg?c=2 "Methane Calibration Gas CH4 50% Balance Nitrogen [NOT LEL]")
