The Kenworth T800 13 Inch Rear Air Cleaner Kit with 10 - 2 Inch Holes is a durable and practical solution for maintaining air quality in your Kenworth T800, W900B, and W900L series trucks from 1995 through 2019. Made of stainless steel, this kit includes all necessary hardware for easy installation. The 13-inch size and 10 - 2 inch holes ensure efficient air filtration, keeping your truck running smoothly and cleanly. Upgrade your truck's air filtration system with this reliable and long-lasting rear air cleaner kit.