G-48 Antifreeze, Coolant Type HOAT, Series G48, Container Type Bottle, Container Size 1 gal, Concentration Type Concentrated, Base Formulation Ethylene Glycol, Color Blue, Lifetime Rating 5 yr, Mileage Rating 150,000 mi, Freezing Point -34 Degrees F, Boiling Point 325 Degrees F, Biodegradable Not Biodegradable, Phosphate-Free Phosphate-Free, Silicate-Free Contains Silicate