Service Pro All Makes All Models 50/50 Universal Formula Pre-diluted Antifreeze/Coolant is recommended, compatible, and formulated for use with ANY antifreeze/coolant in ANY make or model of car or light duty truck with aluminum and other engine metals. This formula has a concentrated blend of premium long-lasting inhibitors to offer extended life protection for up to 5 years or 150, 000 miles against temperature extremes and the ravages of rust, corrosion, and premature water pump failure when added to any extended life coolant. This 50/50 Universal Formula is blended with 50% antifreeze concentrate and 50% demineralized water. | Service Pro All Makes/All Models Universal Formula 50/50 Antifreeze/Coolant | Size 1 gal