Cool-Gard II - Model Pre-Mix -Heavy Duty Engine Coolant

Service life of 6 years / 6,000 hours, Fully formulated for heavy-duty cooling systems, Reduces downtime and lowers operating costs, Protects against corrosion and cavitation, Thermally stable, Pre-mixed with premium quality water, Contains bittering agent, Recommended for heavy- and light-duty diesel, natural gas, and gasoline engines, Pre-mixed -34F/-37C