GREEN CONCENTRATE COOLANT IT HAS A PROVEN FORMULA THAT PROVIDES SUPERIOR COOLING SYSTEM PROTECTION FOR PASSENGER LIGHT-DULY amp HEAVY DUTY VEHICLES ADD THREE TIMES D M WATER TO CONCENTRATED ZEDEX COOLANT AND THEN USE THIS MIXER IN COOLING SYSTEM US3ED FOR DECADES BY MANY AUTOMAKERS WORLDWIDE THE FORMULA IS PROVEN TO PROVIDE UNSURPASSED CORROSION PROTECTION IN VEHICLES THAT SPECIFY TRADITIONAL GREEN COOLANT ZEDEX COOLANT IS COMPATIBLE WITH ANY ANTIFREEZE COOLANT USED IN ANY VEHICLE WITH ALUMINIUM AND OTHER ENGINE METALS IT IS ALSO AVAILABLE IN BLUE AND RED COLOR LIQUID