The Haldex Pure Air Plus Air Dryer is the perfect solution for keeping your air system clean and efficient. This air dryer features a replaceable coalescing filter with an advanced state-of-the-art filtration system that is designed to easily be installed by one person. It is compact and lightweight, making it easy to install and service. The turbo-saver valve reduces engine horsepower loss for improved fuel mileage, making it an economical choice. With its fast and easy on-vehicle servicing. FleetPride is your First Click in Heavy Duty .