The Berner 66VS-012EB-SS Extension Bracket is designed to enhance your door opening installation by extending the mounting holes 12 inches on either side. This factory-installed bracket is compatible with IDC12 and IDC14 models, ensuring a secure fit. Made from durable stainless steel, it offers long-lasting performance and reliability. Please note that this bracket is not suitable for electric heated units or those with factory-mounted controls.