... , and Rh2) When the exhaust is passing through the three-way catalytic converter, CO, HC, and NOx, the activity ... gas without color and poison, CO2; meanwhile the HC compound is turned into H2O and CO2; finally the NOx ... is deoxidized into nitrogen, the three gases are turned into the non-toxic gas to ... packing:1pc/PE bagOuter packing:Carton + pallet Three Way Catalytic Converter