The Delta VFB25AC is a powerful ventilating fan designed for use in bathroom/utility rooms. With a 4-inch diameter duct size, it efficiently removes moisture and odors from the air, ensuring a clean and fresh environment. This fan features one speed setting, providing an airflow of 80 CFM at an efficacy of 11.4 CFM/W. The sound level is minimal at only 0.2 sones, allowing for quiet operation. Although it does not include lighting capabilities, this Delta model excels in its primary function of ventilation. It was introduced to the market on October 30th, 2015, showcasing its reliability and durability over time. With its sleek design and brand reputation, you can trust that the Delta VFB25AC will effectively circulate air in your bathroom or utility room while maintaining low noise levels. Its performance surpasses industry standards with a bathroom/utility room airflow of 59 CFM at 0.25 inches w.g., accompanied by