Comma Xstream G30 Antifreeze & Coolant is a ready-to-use, ethylene glycol-based antifreeze and coolant featuring OAT (Organic Additive Technology) inhibitors. It provides protection against corrosion, overheating, and freezing, with a typical service life of up to 5 years. The product is safeguarded with a bittering agent to help prevent accidental ingestion. It is based on Coolant Concentrate that conforms to the requirements of BS 6580:2010. Official approvals include Audi (vehicles built until 07/2007), Bentley (vehicles built between 2005 and 08/2008), and many more. This silicate-free, organic acid technology (OAT) formula offers superior engine protection for both petrol and diesel engines.