Ensure you're Ready for the Road Ahead® with the Bendix AD-IS® Air Dryer, an air dyer designed to keep compressed air clean and dry for optimal brake performance. With the help of an internal desiccant, this air dryer filters moisture from compressed air before it can reach your wet and supply tanks. Crafted as a stand-alone air dryer with a separate mount to purge reservoir (not included). FleetPride is your First Click in Heavy Duty®.