The WhisperValue® DC exhaust fan FV-0510VS1 is the ultimate low-profile spot ventilation fan, ideal for residential construction, including single-family homes, multi-family buildings, and manufactured homes. Featuring a revolutionary ECM motor with SmartFlow™ technology, it combines exceptional performance with an ultra-slim design, making it the lowest-profile ENERGY STAR®-rated fan on the market. 
One of its standout features is the Pick-A-Flow® Airflow Selector, which lets you choose between 50, 80, or 100 CFM. This customizable airflow ensures the fan meets a variety of ventilation requirements, stays compliant with building codes, and minimizes the chance of callbacks.