Cool-Gard II - Model PG -Heavy Duty Engine Coolant

Service life of 6 years / 6,000 hours, Fully formulated for heavy-duty cooling systems, Environmentally friendly and non-toxic, Propylene glycol base, Thermally stable, Contains bittering agent, Recommended for heavy- and light-duty diesel, natural gas, and gasoline engines, Pre-mixed -52˚F/-47˚C