The concentrated fuel additive reducing hazardous emissions is used to clean the fuel piping from the gasoline tank to the outlet valves. This fuel additive is safe for oxygen sensors and catalysts. It protects from corrosion. Preventive application: each 5000 km, restoring application: two fueling in a row. It is especially recommended in case of using poor-quality fuel. APPLICATION: Shake, pour the additive into the full fuel tank following the proportion one bottle of the additive for 50 - 70 liters of fuel.