GC™ Universal Blue Super Extended Life Prediluted Antifreeze/Coolant is an Hybrid Organic Acid Technology (HOAT) ethylene glycol-based coolant with an inhibitor package that uses (Non 2-EH) organic acid with fully stabilized phosphate inhibitors. It does not contain any nitrite, amines, borate, or silicate. It is specifically designed to be used in any light/medium/heavy duty vehicle applications required Blue Universal fluid formulation to provide long-lasting, complete protection for all cooling system components. Can be mixed with any antifreeze/coolant in any vehicle brand.