TOTAL COOLELF G13 is very long life coolant based on high purity monoethylene glycol. It is a lobrid product, which means it is formulated with a backbone of organic inhibitors in combination with mineral inhibitors (silicate). TOTAL COOLELF G13 meets the requirements of VWTL774J (G13) and has successfully passed all stringent VW lab, fleet and performance test. TOTAL COOLELF G13 contains a bittering agent to give it a bitter taste as a guarantee against accidental ingestion by children or users.