Product Details: The Haldex Remanufactured Bendix® AD-9 Oil Coalescing Air Dryer is the perfect choice for any application requiring superior air quality. This air dryer is engineered to withstand even the most demanding operating conditions, and is guaranteed to last longer in service than the competing unit. It effectively removes even the smallest oil particles and contaminants, and is meticulously tested for superior performance and reliability. With a 1/2" NPT delivery and 1/4" NPT control, this air dryer is the perfect choice for any application requiring superior air quality. FleetPride is your First Click in Heavy Duty®.