Super Tech Prediluted 50/50 Dex-Cool Antifreeze/Coolant is designed to meet or exceed ASTM requirements. This premium ethylene glycol-based engine coolant is free of phosphates, borates, nitrites, silicates, and amines. It protects all cooling system metals including aluminum, as well as rubber hoses, gaskets and plastics. Recommended for initial fill or top-off in all cars and light duty trucks. Super Tech Prediluted 50/50 Dex-Cool Antifreeze/Coolant, 1 gallon Formulated to protect against winter freezing and summer boil over Prevents pitting caused by cavitation and corrosion of brass, copper solder, steel, cast iron and aluminum Prediluted 50/50 - Do Not Add Water
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