Premium Guard air filters are engineered to meet or exceed OEM requirement: • up to 12, 000 miles of engine protection from dust and harmful particles • up to 99% efficiency • low-pressure drop, to ensure optimal air flow cross reference: Purolator: A26171 FRAM: CA11113 WIX: 49031 Champ: AF5201 PA6171 compatible PA6171 and year list: Acura ILX 2015-2013, Honda Civic 2015-2012