The Haldex Remanufactured AD-SP / AD-IS Air Dryer Cartridge is designed to help prevent corrosion and contamination in tools and equipment. This air dryer cartridge is designed to replace the original equipment manufacturer's (OEM) part and is remanufactured to meet or exceed OEM specifications. The cartridge is designed to help prevent equipment damage and minimize downtime due to corrosion and contamination. It is easy to install. With its reliable performance and long-lasting durability, this dryer cartridge is the perfect choice for keeping your tools and equipment running smoothly. FleetPride is your First Click in Heavy Duty®.