The Wire Box Cover measuring 21.75 in. is designed without a flue vent hole, providing a clean and secure option for electrical installations. Manufactured by Rheem, this cover is made from durable materials that ensure long-lasting protection for your wiring systems. Its straightforward design allows for easy installation and compatibility with various wire box configurations. This cover is ideal for safeguarding electrical connections from environmental factors, ensuring compliance with safety standards and enhancing the overall reliability of your electrical systems.