Formulated for long-lasting corrosion and rust protection for all cooling system components, this prediluted antifreeze/engine coolant prevents the use of poor quality water that can lead to cooling system failure.Air Freight Prohibited: Item can only ship ground within the continental US.Features:Provides cold-weather protection to -62° F Protects against corrosion with organic corrosion inhibitor Eliminates need for additional corrosion inhibitors Compatible with non-metal surfaces Required for use in all warranty repairs 1 Gallon Bottle