The Case-IH AF4550 is a genuine OEM air filter designed to provide superior filtration and protect the engine of various Case-IH agricultural machinery. This primary air filter measures 279.4 mm in outer diameter, 152.4 mm in inner diameter, and 330.2 mm in length, weighing 2.04 kg. It is compatible with a wide range of Case-IH combines, cotton pickers, forage harvesters, and tractors, including models such as the 1620 combine, 7110 tractor, and 1800 cotton picker, ensuring clean air intake and extending engine life.