The Ventilating Fans Delta Pro300 is a high-quality fan designed for use in bathroom and utility rooms. It has a 6-inch diameter duct size, making it suitable for most ventilation systems. The fan operates with one speed setting and provides an airflow of 300 CFM, ensuring effective air circulation. With its sleek design and reliable performance, this fan is manufactured by the well-known brand Delta. Its model number is Pro300, indicating its advanced features and functionality. The fan is equipped with a sound level of 2.0 sones, ensuring quiet operation while effectively removing odors and moisture from the room. Although it does not include lighting capabilities or additional features such as dimming or motion sensing, the Ventilating Fans Delta Pro300 focuses on providing excellent ventilation performance. It was introduced to the market on December 31st, 2015. The efficiency of this ventilating fan is evident through its efficacy rating of 7.4 CFM/Watt at maximum airflow capacity