Product Details: Get ready for the long road with clean and dry compressed air that enhances brake performance, thanks to the OTR Type 1200 Style Air Dryer with Experience Built In™. This replacement part effectively removes liquids and water vapors from compressed air to prevent contaminants from entering your wet and supply tanks. Once installed, this device efficiently filters out water, vapor, oil vapor, and other toxins before they can enter your air tanks and valves. Symptoms of an air dryer needing replacement include leaking air, blocked purge valves, or poor-performing condensers unable to receive built pressure. FleetPride is your First Click in Heavy Duty®.