Protects from -36C to +45C Mixed with treated water to reduce scale build up Silicate free, Organic Acid Technology (OAT) for superior engine protection Up to 5 years protection Protects against corrosion, erosion, over heating & freezing Suitable for petrol & diesel engines Ready to use ethylene glycol based antifreeze & coolant with OAT (Organic Additive Technology) inhibitors. Protects against corrosion, overheating and freezing. Typical service life of up to 5 years. Safeguarded with bittering agent to help prevent accidental ingestion.