A fluid intended for both the engine and the entire cooling system protection (replacement interval: 3 years or 100 000 km), which at the same time effectively prevents corrosion and deposit formation inside the cooling system. POWOIL PERMANT-40 is a ready-to-use fluid which shall be poured directly into the cooling system. POWOIL PERMANT 100 is a concentrated fluid, which must be mixed with softened water according to the instructions and ratios listed on the package label. This product is recommended for use in heavy duty commercial vehicles, mining,
 construction and agricultural machinery, as well as in passenger car cooling systems.