BLUE 50/50 ANTIFREEZE / COOLANT - FOR HYUNDAI, NISSAN, HONDA & SUBARU. This Blue 50/50 Antifreeze/Coolant is a premium ethylene glycol based formula engineered for modern Asian vehicle cooling systems. Designed for vehicles that specify blue long life coolant, this formula is compatible with many Hyundai, Nissan, Honda, Subaru and models that require blue extended life coolant technology. Refer to the Vehicle's Manual for Coolant Spec. Pre-diluted to a balanced 50/50 mixture with deionized water, this coolant is ready to use straight from the container. It provides dependable freeze protection, boil-over protection, and long-term corrosion resistance for aluminum engines, radiators, heater cores, and water pumps commonly found in today.