Calibration Gas, CGA Number CGA 600, Container Type Cylinder, Cylinder Capacity 11 L, Cylinder Diameter 2.91 in, Cylinder Height 12 in, For Use With Mfr. No. CM-12, Mfr. No. CM-6, Mfr. No. CM-E1, Gas Mixture Carbon Monoxide 500 ppm, Gas Type Carbon...