The Case-IH AF25561 is a genuine OEM air filter designed for superior air filtration in various Case-IH combines, cotton pickers, forage harvesters, and tractors. This primary engine air filter effectively captures dust, dirt, and debris, preventing them from entering the engine and safeguarding critical components. Measuring 266.7 mm in outer diameter, 146.05 mm in inner diameter, and 482.6 mm in length, it ensures a precise fit and optimal performance, meeting original equipment specifications for reliable operation and extended engine life.