aFe POWER Magnum FLOW OE Replacement Engine Air Filter with Pro GUARD 7 Media is engineered for maximum filtration, making it ideal for off-road and dusty environments. This 7-layer oiled media combines cotton gauze and synthetic material to trap even the finest particles, without drastically sacrificing airflow. Its deep-pleated construction provides extended surface area for longer service intervals. The precisely engineered polyurethane frame provides long-lasting reliable structure to these filters while offering a pilable flange for improved installation and a leak free seal. Every filter is designed for a lifetime of performance and protection.