Purolator A36151 Classic Air Filter Purolator Classic air filters are engineered to trap 96.5% of harmful contaminants that can damage your engine Also helps keep contaminants from depositing on airflow sensors in fuel-injected cars, improving performance A multi-fiber high-density media grabs wear-inducing particles and a sealing gasket forces air through media for better contaminant removal Purolator Classic filters are particularly recommended for low mileage driving, under 15000 miles per year Replacing a clogged air filter with a new Purolator air filter can improve acceleration by up to 11%