The Peterbilt 379 15 Inch Donaldson Rear Air Cleaner Kit is a practical and reliable solution for maintaining clean air in your vehicle. Made of stainless steel, this kit includes all the necessary hardware for easy installation. With a bar length of approximately 26 inches, it fits most 15 inch Donaldson air cleaner cans. The kit features 16 slotted holes, ensuring efficient air filtration. This rear air cleaner kit is designed to provide optimal performance and durability, making it a valuable addition to any vehicle.