"Ready-To-Use Long Life Antifreeze Coolant (Do Not Dilute) For cars and light-duty trucks HOAT Technology for gasoline and small diesel engine service in domestic and import brands specifying HOAT Coolant (with SILICATE/NITRITE) Compatible with most Extended Life Coolants regardless of color Does not contain 2-EHA Summer And Winter Cooling System Protection from -34F to +265F (with 15 psi cap)"