The Prima Brake Up / High - Down / Low Range Air Valve is designed to provide reliable performance over a long service life. This valve is intended to resist a lot of use and tough environments while delivering enduring performance. It meets all the necessary safety and performance standards, making it an ideal choice for any brake system. The valve is easy to install and maintain and it is designed to provide a smooth and consistent operation. It is also corrosion-resistant and designed to last for years. With its robust construction and reliable performance, it is the perfect choice for any brake system. FleetPride is your First Click in Heavy Duty®.