aFe Power 30-80209 Performance Air Filter Improve power and acceleration while maintaining your OEM air box 100% polyurethane frame on all sides for extra long filter life Washable and reusable for multiple cleaning cycles 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power Fits GM Diesel Trucks 11-15 V8-6.6L (td) LML Improves airflow for better performance and acceleration Pre-oiled, washable/reuseable air filter for long service life with life-time warranty Pro-5 R Five-Layer Progressively finer mesh cotton media for high airflow with high filtration efficiency. Tall, Rounded, evenly-spaced pleats for maximum dust holding capacity Constructed with 100% pliable polyurethane for great seal without use of foam gaskets or sealing grease