1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate. PROTECTS: Advanced formulation prevents rust & corrosion protecting all engine cooling system components DESIGNED FOR ASIAN VEHICLES: Recommended for use with Hyundai, Kia, Genesis, Infiniti, Nissan, Mazda, Mitsubishi, Subaru, and Suzuki vehicles that require a GREEN Phosphate-enhanced Organic acid technology (POAT) formula GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 400,000 miles or 15 years. CONCENTRATED FORMULA: Ideal for flushing, filling, or topping off your cooling system PEAK Original Equipment Technology Extended Life Green Concentrate Antifreeze + Coolant for Asian Vehicles is a premium coolant specifically designed to match the technology and color requirements of your Asian vehicle, and is formulated with the same corrosion inhibitor technology that protected your vehicle straight from the factory. PEAK OET Asian Green Extended Life Antifreeze + Coolant is an ethylene glycol-based formula specifically developed for use in any Asian vehicle requiring a Green phosphate-enhanced organic acid technology (POAT) formulation, and is specifically designed to provide protection of your vehicle’s engine cooling system metals, including aluminum, against damaging rust and corrosion. It is compatible with other Green POAT formulations and is perfect for flushing, filling, or topping off your cooling system. This 1 gallon bottle of extended-life antifreeze is recommended for use with automobiles requiring a green POAT formula, including: Hyundai, Kia, and Genesis vehicles from 1990-2021, including hybrid and electric models, Infiniti and Nissan vehicles from 1990-2008, including hybrids, Mazda vehicles from 1990 & newer, including hybrid and electric vehicles, pre-2012 Mitsubishi vehicles, Subaru vehicles from 1990-2008, pre-2010 Suzuki vehicles and other Asian vehicles requiring a green coolant formulation. When installed as part of a complete flush and coolant fill, PEAK guarantees this coolant will provide service life protection of up to 400,000 miles or 15 years.