Get your semi Ready for the Road Ahead with clean and dry pneumatic systems to optimize air brake performance, with the Bendix Remanufactured AD-IP Desiccant Air Dryer Cartridge. This replacement air dryer filament removes oil, dust, dirt and contaminants from the air lines to prevent corrosion, ice formation, and potential valve damage. Engineered with rugged materials to endure demanding operating conditions such as rough vibrations and high temperatures. FleetPride is your First Click in Heavy Duty .