About the product Our engine catalytic converter cleaner contains fatty acid methyl ester ethyl oxide, sodium tripolyphosphate, and sodium gluconate. It can remove carbon deposits in the car's fuel system, improve the system, and increase power. Its usage is simple: unscrew the cap and tear off the seal. Pour into the fuel tank. When there are about 10 liters of gasoline in the tank or the fuel gauge is about a quarter full, pour this product into the tank, drive 30-50 kilometers, and then fill up another tank of gasoline. And it is only suitable for cars that use gasoline. Product Name: Engine Catalytic Converter Cleaner Product Ingredients: Fatty Acid Methyl Ester Ethyl Oxide, Sodium Tripolyphosphate, Sodium Gluconate Keywords: Cleaner Weight: 35g Product Specifications: 30ml Product Size: 2.8*8.8cm Note: Light reflection and different monitors may cause the color of the product in the picture to be slightly different from the actual product. Minor errors are allowed in measurement.