The Air King FRAK100H is a powerful and efficient ventilating fan designed for use in bathroom/utility rooms. With a 4-inch diameter duct size, this fan provides excellent airflow of up to 100 cubic feet per minute (CFM) at an efficacy rating of 3.9 CFM/watt. It features one speed setting and has a sound level rating of 2.0 sones, ensuring quiet operation. This model does not come with built-in lighting but offers exceptional ventilation performance. The unit's sleek design, manufactured by the reputable brand Air King, makes it a reliable choice for improving air quality in any bathroom or utility room. Released on September 22nd, 2017, the Air King FRAK100H showcases advanced technology and durability while maintaining an affordable price point. Its additional features include dimming options, motion-sensing capabilities, and other special functions tailored to meet various ventilation needs. With its impressive airflow capacity and user-friendly design, this ventil