Rust and sludge will block radiator coolant tube to cause your vehicle overheat and possibly lead to costly repairs. This product helps to remove rust and sludge deposits, and neutralizes harmful acids without no neutralizer necessary; can be used as a radiator flush. Restores cooling system efficiency, and helps to prevent engine overheating.

How To Use：
Add this product into the radiator in the cold engine. Must not open the radiator when the engine temperature is high, or it will burn your hands.

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