Tectaloy xtra cool gold coolant is formulated using the latest inhibitor technology to provide optimum long life corrosion protection to aluminium alloys and all other metals used in the modern cooling system. Xtra cool is suitable for use in all vehicles not requiring anti-freeze protection, both petrol and diesel. Designed to meet the everyday demands of petrol and diesel vehicles. Its unique formula allows extra cooling system protection when required, such as four-wheel driving, towing heavy trailers or caravans. Contains ethylene glycol 280g/litre. Silicate, phosphate and amine free. 3 years / 60,000 km lifespan if diluted with tap water. 3 years / 100,000 km lifespan if diluted with demineralised water. Size: 1 Litre, Colour: Green.