The Delta ITG100 Ventilating Fan is a powerful and efficient fan designed for use in Bathroom/Utility Room environments. With its 4-inch diameter duct size, it provides excellent airflow of up to 100 cubic feet per minute (CFM). This single-speed fan operates quietly at just 1.5 sones, ensuring a peaceful atmosphere while effectively removing excess moisture and odors from the air. Featuring the reputable Delta brand name, the ITG100 model offers reliable performance and durability. Its efficacy rating of 7.6 CFM/Watt ensures energy-efficient operation, reducing electricity consumption without compromising on performance. Although it does not include lighting capabilities, this ventilating fan excels in providing optimal indoor air quality. It has been available on the market since May 29, 2017. With no additional special features such as dimming or motion sensing technology included, this straightforward yet highly functional ventilating fan is perfect for maintaining a fresh and comfortable environment in your bathroom or utility