This product can protect the parts of cooling system from scale deposit, rusting and corroding, keep the cooling system clean, and keep away the noise of water pump. lf use this product regularly it can keep the cooling system running effectively. Avoid the problem of the engine being too hot, water tank boiling and link. lt is obviously effective to protect the water tank from hurting by the low quality anti freeze agent, the product can be mixed with all kinds of the tank water and anti freeze agent. Specifications: Brand: DTR Model: D220 Type: Radiator Flush Removes Rust & Scale Non-corrosive Prolonged Life Suitable For Cooling System Net: 354ml