Features: 1. **Effective Anti-Rust Formula**: Our cleaner features a powerful blend of citric acid and sodium gluconate, specifically designed to combat rust and restore the shine of your car's exhaust pipes without causing damage. 2. **User-Friendly Application**: Simply spray the cleaner on a cool exhaust pipe, wait 30 seconds, wipe with a cloth, rinse, and dry. It's that easy to achieve a sparkling finish! 3. **Long-Lasting Protection**: After cleaning, our formula helps keep your exhaust pipes looking pristine for an extended period, reducing the need for frequent maintenance. 4. **Safe for All Metal Surfaces**: This multi-functional cleaner is safe to use on all types of metal exhaust pipes, ensuring a thorough clean without harming the surface. 5. **Convenient 120ml Size**: The compact 120ml bottle is perfect for home use or on-the-go cleaning, making it easy to maintain your vehicle's appearance wherever you are. Our multi-functional metal anti-rust cleaner for car exhaust pipes (120ml set) contains citric acid and sodium gluconate. It can restore luster, will not damage the exhaust pipe and is easy to use. Its usage method is very simple: Please put on rubber gloves before use, then evenly spray the cleaning agent on the exhaust pipe (make sure the exhaust pipe cools to room temperature), wait for 30 seconds, wipe back and forth with a cloth, then rinse with plenty of water after cleaning, and finally dry with a dry towel. And it can remain clean for a long time.