Prime Guard Conventional Green 50/50 Antifreeze is a reliable coolant solution designed to protect your engine from overheating and freezing. This 1-gallon container is pre-mixed for convenience, ensuring optimal performance in a variety of vehicles. The 50/50 blend of antifreeze and water provides excellent thermal protection and corrosion resistance, meeting or exceeding ASTM D3306 standards. Suitable for use in both gasoline and diesel engines, this antifreeze is compatible with most cooling systems. Its formulation helps prevent rust and scale buildup, ensuring your engine runs efficiently and lasts longer.