The Donaldson P137285 is a high-quality inner air filter, also known as a safety filter, designed to provide superior engine protection by trapping fine dust and contaminants. This genuine Donaldson filter works in conjunction with the primary air filter to prevent engine damage and maintain performance in demanding agricultural and industrial environments. It features an outer diameter of 76 mm, an inner diameter of 51 mm, and a height of 318 mm, weighing approximately 0.5 kg. This filter is a critical component for extending engine life and ensuring reliable operation across various John Deere, Case IH, New Holland, and Massey Ferguson models.