COOLANOL is a premixed ready-to-use 50/50 blend of premium quality ethylene glycol based antifreeze and deionized water to provide optimum cooling, water pump lubrication and rust & corrosion protection for all aluminum and magnesium motorcycle, ATV and side-by-side liquid cooled engines. Coolanol also contains anti-foam agents to reduce water pump cavitation and increase cooling capacity. Coolanol 50/50 blend protects from freeze-ups in winter down to -34°F(-37°C). Coolanol also raises your cooling systems boiling point to 265°F(129°C) with a 15 lb. radiator cap. For use in all liquid cooled engines requiring a conventional or hybrid ethylene glycol anti-freeze/coolant. Coolanol is pre-diluted with deionized water so there is no need for mixing. FEATURES Convenient ready-to-use blend Increases cooling capacity Nitrate, Amine, Borax Free Protects against rust & corrosion Very low freezing point Increases cooling system boiling point 100% Biodegradable in its unused form Safe for topping off with most OEM fluids