The "Upgrade" 50CFM fan is specifically designed to be compatible with various Broan bathroom fans models, ensuring a perfect fit. However, it's essential to note that this replacement motor is not designed for Broan 688-G, H, J, or K models. It is intended for the following Broan models: 663B/688B, 663C/688C, 663E/688E, and 670. This high-quality motor not only delivers a powerful 50 CFM airflow but also ensures longevity and efficiency. It is also compatible with Broan 689-A, B, C, and D models, as well as the higher airflow model 671-A (70 CFM). By upgrading to this motor, you can experience enhanced performance, reduced noise, and improved air circulation in your bathroom.
