The Kenworth 13 Inch Rear Air Cleaner Kit is a practical and durable solution for maintaining clean air in your vehicle. Made of stainless steel and approximately 21 inches long, this kit is designed to fit most 13-inch Donaldson air cleaner cans. With 10 - 2 inch holes, it provides efficient air filtration and comes with all necessary hardware for easy installation. Keep your vehicle running smoothly and efficiently with this reliable rear air cleaner kit.