The P822111 is a high-quality inner air filter, manufactured by Donaldson, commonly used in various Kobelco construction machinery. It serves as a direct aftermarket replacement for the genuine Kobelco OEM part number YN11P01001P1. This safety air filter provides superior protection by trapping harmful contaminants, preventing them from reaching the engine and ensuring optimal performance and longevity. Featuring robust construction, this filter ensures efficient filtration and extends engine life by preventing abrasive particles from entering critical components, maintaining air intake system integrity.