The Bendix R-12® Series Air Brake Relay Valve is designed to increase driving efficiency and security. This valve is designed to provide reliable performance and long-lasting durability. It features a universal mounting bracket that makes it simple to switch it out with different relay valves. It also offers the possibility of reservoir or flange mounting. This valve is designed to provide superior performance and reliability, making it an ideal choice for any vehicle. It is also designed to be easy to install and maintain, making it a great choice for any driver. With its reliable performance and long-lasting durability, it is the perfect choice for any vehicle. FleetPride is your First Click in Heavy Duty®.