HAVOLINE XTENDED LIFE COOL CONCENTRATE is made based on the high-quality organic (carboxilated), silicate-free additive package. It ensures the high protection level from freezing, boiling and cavitation erosion. This product can be used during minimum 650 000 km (about 8000 hours) in trucks and busses or 250 000 km (about 2000 hours) in cars, including the ones with aluminum blocks, or minimum 32 000 hours (or 6 years) in stationary engines.