Introducing the Green Builder GBR100H from Delta Breez. This innovative bathroom ventilation system combines cutting-edge technology with exceptional energy efficiency. With its brushless DC motor, the GBR100H offers quiet operation and remarkably low power consumption, making it an ideal choice for any bathroom up to 95 sq. ft. The adjustable low speed allows for customized airflow control, ensuring optimal ventilation for your space. Built upon market-leading energy efficiency, this 4-inch duct fan is designed to provide powerful yet whisper-quiet performance. Upgrade your bathroom with the Green Builder GBR100H and enjoy a refreshing, comfortable environment while reducing your carbon footprint.