Nulon Red General Purpose Coolant Premix is a ready to use, multi-purpose anti-freeze/anti-boil and corrosion inhibitor that is suitable for a wide variety of vehicles on Australian and New Zealand roads. This product is safe to use in a variety of vehicles as a top-up to existing anti-freeze and anti-boil red coolant or as a full service coolant for a full 4 years or 200,000km service life.