aFe POWER Universal Clamp-on Engine Air Filter with Pro 10R Media delivers maximum airflow and increased efficiency for performance-driven enthusiasts. Featuring a progressive 10-layer oiled cotton gauze media in a deep-pleated design, this filter ensures optimal airflow while maintaining our highest level of filtration efficiency. 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.