FRAM TGA9400S Tough Guard Air Filter Pre-oiled media captures smaller dirt and dust particles when driving in dirty, dusty conditions Traps and holds double the dirt of entry level air filters Filter screen extends into urethane to provide greater integrity and reduced likelihood of collapse and tearing in tough driving conditions Pleat lock glue bead feature allows pleats to lock into place for consistent airflow and less restriction 12,000 mile change intervals help prevent decreased acceleration and horsepower while helping improve overall performance