Agua XLC Antifreeze/Coolant – Concentrate (Agua XLC) is a non-nitrited cooling fluid and corrosion inhibitor for combustion engines and heat transfer systems. Agua XLC is an ethylene glycol-based fluid that helps to provide maintenance-free protection against freezing, boiling and corrosion. With patented silicate-free aliphatic acid technology, Agua XLC encourages long-life corrosion protection for all engine metals, including aluminum and ferrous alloys. During extensive fleet testing Agua XLC has proven to provide protection for at least 32.000 hours in stationary engines.