Ready-To-Use Extended Life Antifreeze Coolant (Do Not Dilute)For cars and light-duty trucks OAT “NAPS FREE” technology for gasoline engine service in domestic and import brands specifying OAT coolant (mixes with other color OAT and HOAT products) Does not contain 2-EHA Summer And Winter Cooling System Protection from -34F to +265F (with 15 psi cap)