Calibration Gas & Equipment; Gas Contents: CH4 - 1.45%; Carbon Monoxide - 60 ppm; Hydrogen Sulfide - 20 ppm; Oxygen - 15% ; Gas Contents: CH4 - 1.45%; Carbon Monoxide - 60 ppm; Hydrogen Sulfide - 20 ppm; Oxygen - 15% ; Cylinder Capacity: 34.0 (Pkg Qty=1)
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