600L-150A-1000 | X02AI99CA600006 | 1000 PPM METHANE BALANCE AIR SIZE 600RAL CERTIFIED STANDARD-SPEC CGA 590
CH4 Calibration Gas in Air contained in a 600 Liter Aluminum Disposable Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection: TBD Gas Specific, Calibration Certificate NIST, Made in the USA