Keep on top of your car's engine maintenance with PEAK 50/50 Prediluted Antifreeze and Coolant. This car engine coolant is diluted with water, specially engineered to deliver guaranteed superior lifetime protection against scale, corrosion, and other damage. Formulated with a proprietary blend delivering 10-times the average scale-fighting inhibitors coupled with robust organic additive, this universal solution provides years of protection and cooling performance for any vehicle. Free of 2-EHA, silicate, nitrite, borate, and amines, this antifreeze and coolant mixture offers double the typical warranty coverage, promising optimal cooling system performance for over 10 years or 300,000 miles of service- whichever comes first. This item contains a bittering agent called Denatonium Benzoate. Lifetime Protection: 10 years/300,000 miles lifetime guarantee when a complete cooling system flush and fill is performed and proper cooling system maintenance is followed. Always follow the vehicle owner’s manual for top-off requirements, change intervals, and specified maintenance.