The ROADWORKS Louvered Vent Cover with Sides is a practical and efficient solution for International trucks without side fairings and with rear stacks. Measuring 5.25 inches x 12.25 inches, this vent cover is sold individually and offers excellent ventilation while protecting against debris. Its louvered design ensures optimal airflow, while the sides provide added protection. Designed specifically for International trucks, this vent cover is a reliable and durable choice for enhancing the functionality of your vehicle.