The Air King BFC90H is a powerful ventilating fan designed for use in bathroom/utility rooms. With its sleek design and compact size, it easily fits into any space with a 4-inch diameter duct. This model from Air King does not include lighting, making it perfect for those who prefer to have separate lighting fixtures. Featuring a single speed setting, the BFC90H provides an airflow of 90 cubic feet per minute (CFM), ensuring efficient ventilation and air circulation in your space. With an efficacy rating of 4.7 CFM/watt, this fan offers energy-saving functionality without compromising performance. Equipped with advanced sound insulation technology, this ventilating fan operates quietly at just 1.0 sone, allowing you to enjoy a peaceful environment while it efficiently removes moisture and odors from your bathroom or utility room. Released on October 27th, 2017, the Air King BFC90H has quickly become a popular choice among homeowners seeking reliable