Product Details: Prevent water vapors and contaminants from leading to brake malfunctions, with the SKF Air Dryer that ensures you're Ready for the Road Ahead®. With the help of an internal desiccant, this air dryer filters moisture from compressed air before it can reach your wet and supply tanks. This ensures that your supply and wet tanks are free from moisture and other contaminants, which can cause long-term damage to the brake system. The unit is constructed with a unique spin-off cartridge, allowing for easy maintenance and replacement. FleetPride is your First Click in Heavy Duty®.