Effectively cleans heavily soiled radiators. Removes rust within 15 minutes. scale and other impurities. Regular use with every fluid change keeps the cooling system clean. which reduces the chance of leaks. Increases the efficiency of the cooling system by preventing overheating of the radiator and thus ensures the optimal operating temperature of the engine. It can be used in all types of radiators. regardless of the type of coolant and its degree of dilution with water. A 250ml product is enough to sanctify a 10L flour system.