GASCO 103L-310, Carbon Monoxide 100 PPM, Methane 50% LEL, Oxygen 19%, Balance Nitrogen, Calibration Gas Mixture, in a 103 Liter Disposable Steel Cylinder, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA

Order GASCO 103L-310, Carbon Monoxide 100 PPM, Methane 50% LEL, Oxygen 19%, Balance Nitrogen in a 103 Liter Cylinder C-10 Connection, from Cal Gas Direct Incorporated