The Prestone Engine Coolant / Antifreeze product is a high-quality yellow antifreeze with a boiling point of 229 degrees Fahrenheit and a freezing point of -34 degrees Fahrenheit. It is phosphate-free and contains ethylene glycol. Manufactured by Prestone, this antifreeze comes with a 1-year warranty and is recommended to be used at a dilution ratio of 5 to 7 percent. Made in the United States, this antifreeze is designed for all vehicles and offers long-lasting protection for up to 10 years or 300,000 miles.