An effective tool for removing scale, sediment and rust from the cooling system. Ensures the engine has an optimal operating temperature without overheating. Regular use with each coolant change allows you to keep the cooling system clean. This reduces the likelihood of leaks. Suitable for use in all types of coolers. regardless of the type of coolant and its dilution with water. Usage: 250 ml of additive for up to 12 l cooling system. 400 ml for up to 20 l system.