Performance Radiator Global Extended Life 50/50 Premix Antifreeze/ Coolant is recommended for use in all makes and models of foreign and domestic passenger vehicles and light duty trucks. This item contains a bittering agent called Denatonium Benzoate. Global Extended Life Antifreeze/Coolant contains a proprietary formulation of premium corrosion inhibitors. Our Premium corrosion inhibitors provide extended protection against rust, corrosion, and pitting caused by cavitation for all coolant system metals. Versatile and formulated for use in all American, Asian, and European automobiles including cars and low/medium to heavy duty trucks of all makes, models, and years. Provides excellent protection against temperature extremes, preventing freeze-up down to -34F and boil over to 264F. meets performance requirements of the following specifications ASTM d3306, Japanese Standard JIS K2234