Do it 1-Gang PVC Old Work Molded Electrical Box, 20 Cu.-In. is designed specifically for retrofit applications where walls are already enclosed. This electrical box features flanges and adjustable tabs, making it easy to mount securely into existing walls. It includes living hinges that provide additional cable support, ensuring a reliable installation. Made from high-grade PVC, this box superior performance with the benefits of rust and corrosion resistance, reducing installation costs and enhancing durability. The product is ETL and comes with mounting ears and two swing clamps for a straightforward and efficient installation process. Model Number: BCJ-064