Long-Life Concentrate Antifreeze Coolant Requires “At Site” Dilution 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 -84F to +276F ( with 15 psi cap)