The Purolator TL18182 Air Filter is a heavy-duty engine air filter measuring 9.5" in length, 7.5" in width, and 1.5" in height. Designed to meet or exceed original equipment (OE) performance standards, this filter effectively traps harmful contaminants, ensuring optimal engine performance and longevity. Constructed with multi-fiber, high-density media, it captures up to 96.5% of dirt, soot, and debris, preventing engine damage and maintaining efficient airflow. The precision-fit polyurethane framing provides a tight seal, enhancing engine efficiency and performance. Regular replacement of the air filter is recommended to maintain engine health and performance.