Zerex Dex-Cool 50/50 Ready-to-Use Antifreeze Coolant 1 Gallon

Unsurpassed freeze protection and anti-boil performance outperforms industry standards
Organic acid technology resists rust, scale & corrosion 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
Pre-mixed orange formula is ready-to-use in a 50/50 ratio with deionized water to protect all modern engine components from winter freezing (-34F) and summer boiling (265F).
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