Stops cooling system leaks quickly and effectively. Contains corrosion-preventing additives. Perfect for removing leaks caused by stone impacts, vibrations or other mechanical damage. Suitable for use in all types of radiators and with all types of coolants. Safe for the heater and other elements of the cooling system. Usage: 250 ml of additive for up to 10 l of cooling system. 400 ml for up to 15 l of system.