This STP Heavy Duty Brake Fluid is a reliable choice for your vehicle's braking system. The pack of two 12oz. bottles is perfect for those who want to stock up on brake fluid. It is compatible with DOT 3 brake systems and is made by the trusted brand, STP. The manufacturer part number is DOT3 and it is classified as a type of brake fluid. It comes with a package quantity of two bottles. This product is ideal for those who want to ensure their vehicle's braking system is in top shape.