Quick view Macurco Macurco CX-6 Carbon Monoxide CO/Nitrogen Dioxide NO2 Controller Compare $999.99 Description Resource Information The CX-6 low voltage dual monitor detects Carbon Monoxide and Nitrogen Dioxide in commercial facilities such as parking garages, loading docks, etc. It can be used as a stand-alone detector, controller and as an... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List