Radiator Flush Protec, 375ml eliminates operational deposits from the entire cooling system. It also removes lime and fur deposits, protects against rust and corrosion, dissolves hazardous radiator sludge and cleans water coolers, boilers and heat exchangers. The product makes the valves, thermostats and water pumps free again. The use of the PRO-TEC radiator increases the reliability and life of the engine. Also, heating and cooling performance will be improved.