Carlon Blank Round Box Cover is a durable and reliable solution designed to fit 4-inch round openings. Made from high-quality PVC, this blue cover is UL listed, ensuring it meets safety standards. Its blank design provides a clean, finished look for electrical boxes, making it i for various applications where a sealed cover is needed. Lightweight and easy to install, this cover comes packaged individually in a convenient bag. Model Number: E460RCAR