18 in. x 24 in. Round Top Primed Polyurethane Paintable Gable Louver VentUrethane Gable Vents shine when it comes to looking like a real wood product without all the maintenance that can come with wood. They are moulded from beautiful designs, like wood products and come to you factory primed and ready for your paint. The functional option will offer better air flow; however, urethane vents offer the least amount of airflow. Highly recommended for decorative applications. Manufactured out of urethane An easy way to enhance