1 gal. ethylene glycol based year around protection against freezing & boil overs prevents foaming in the cooling system protects metals in cooling system from corrosion
inhibits rust lubricates water pump quick permanent seal compatible w/all antifreeze including extended life coolants will not clog cool ing sy stems saf e f or met al, plastic & rubber components
11 oz. meets leading car & truck mfg. requirements compatible w/all brands of antifreeze lubricates water pump seal & protect s alum inum, copp er, iron & all other p arts of cooling syst em bottle