Red Line SuperCool with WaterWetter

Red Line SuperCool with WaterWetter maximizes cooling system performance in gasoline and diesel engines with superior protection, reducing operating temperature by up to 20 degrees F. This product doubles the wetting ability of water to improve heat transfer and reduce cylinder head temperatures. Compatible with all glycol antifreeze and coolants, WaterWetter contains corrosion inhibitors to satisfy the same ASTM corrosion tests that glycol-based antifreezes are designed to pass ASTM D2570 and ASTM D1384. Red Line's WaterWetter provides excellent rust and corrosion protection for modern cast iron, aluminum, and brass systems. Use SuperCool with a long-life antifreeze if freezing temperatures are to be encountered. 5 year / 150,000 mile protection. Show Less