The WhisperValue DC Fan/LED Light is the most efficient and versatile ventilation solution for both residential and multi-family construction. As the lowest-profile ENERGY STAR rated fan available, it boasts an ultra-slim 3-3/8" housing depth that fits seamlessly into 2x4 stud bays, making it perfect for both ceiling and wall installations. This advanced fan features Panasonic's revolutionary ECM motor with SmartFlow technology, which optimizes airflow by automatically adjusting to deliver the most efficient CFM output at 50, 80, or 100 CFM using the Pick-A-Flow Airflow Selector. The 10W dimmable LED chip panel offers warm, energy-efficient lighting with a <1W LED night light for added convenience, all with a 50,000-hour lifespan. Designed for easy installation with a unique L-shaped bracket and optional duct adapter, this fan is also ENERGY STAR certified for exceptional energy savings and long-term durability, making it a smart choice for modern bathroom ventilation needs. Color: White.