The Kramp 1500P609221, also known as Donaldson P609221, is a high-quality external RadialSeal™ primary air filter designed to provide superior engine protection and maintain optimal performance. With an outer diameter of 157 mm, an inner diameter of 93 mm, and a height of 337 mm, this filter ensures efficient removal of contaminants from the air intake system, extending engine life and reducing maintenance costs. It boasts 99.9% efficiency and is a direct equivalent to numerous OEM and aftermarket part numbers, ensuring broad compatibility.