Product Details: The Fleetguard Restore Plus Heavy Duty Coolant Cleaner is the perfect solution for removing scale, corrosion and solder bloom from your cooling system components. It is easy to use and dispose of and it won't harm any of your cooling system components. It's the perfect way to keep your cooling system running smoothly and efficiently. With this product, you can be sure that your cooling system is in top condition. FleetPride is your First Click in Heavy Duty®.