The Air King FRAS54 is a bathroom/utility room ventilating fan that comes with a 4-inch diameter duct size. It does not have any lighting feature. This model, released on January 6th, 2017, offers a single speed option and has an airflow capacity of 50 CFM at an efficacy rate of 3.5 CFM/W. With its compact design and efficient performance, this Air King ventilating fan effectively removes moisture and odors from your bathroom or utility room. The fan operates quietly at just 0.8 sones to ensure minimal noise disturbance. Equipped with advanced technology, the FRAS54 ensures optimal ventilation for improved air quality in your space. While it doesn't offer dimming or motion-sensing features, it excels in providing reliable and consistent airflow. This Air King model also boasts a high-performance motor that delivers powerful performance while consuming low energy levels. Although the power factor is not specified for this unit, it guarantees excellent efficiency and