Valvoline Zerex G40 Phosphate and Nitrite Free Concentrate Antifreeze/Coolant 1 GA

Unsurpassed freeze protection and anti-boil performance outperforms industry standards. Si-organic acid technology resists corrosion and rust while protecting all cooling system metals (including aluminum). High-quality additives protect against leaks and won’t harm gaskets, hoses, plastics or original vehicle finish. Violet concentrate formula should be mixed with clean tap water or demineralized water at 50/50 ratio for temperatures -34 to 265F; 60/40 for -62 to 270F; and 70/30 for -84 to 267F. 5 year/150,000 mile guarantee protects against engine failure caused by freeze-ups or boil-overs. Batch-tested in the lab, fleet-tested in the real world to help car and truck owners achieve optimal performance and maximize engine life.. Contains 30 – 50 ppm of denatonium benzoate as a bittering agent