The Continental Black 4-Sided Backerplate for CDI3NE - Large is a premium accessory designed to enhance the installation of your CDI3NE gas fireplace insert. This large 4-sided backerplate provides a seamless, finished look while offering superior durability and support. Crafted for a perfect fit, it helps to frame your fireplace insert, ensuring a clean and professional installation. Ideal for larger openings, this backerplate adds both functionality and aesthetic appeal to your fireplace setup.