Constructed with 100% polyurethane on all four sides, oil free OE replacement performance filter will outflow the stock filter 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, the tall, open, evenly spaced pleats provide excellent dust holding capacity for a longer service cycle between cleanings. An integrated urethane bump seal insures tight, no leak seal over the life of the filter. Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media Nissan 350Z 07-09 V6-3.5L/370Z 09-18/Infiniti QX50 14-17 V6-3.7L Nissan 350Z 07-09 V6-3.5L/370Z 09-18/Infiniti QX50 14-17 V6-3.7L