aFe MagnumFLOW Air Filters OER PDS A/F PDS 12-14 Honda Civic 1.8LConstructed with 100% polyurethane on all five sides, this high flow, non oiled OE replacement performance filter outflows the stock filter by up to 48% for improved horsepower and torque. The Pro DRY S air filter uses three layers of progressively finer mesh cotton gauze media to provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, this filter is designed with open, evenly spaced pleats that