The Builder's Choice for Green Construction, the Delta Breez Integrity ITG50LED has been awarded the ENERGY STAR Most Efficient 2017 award, with its brushless DC Motor engineered to run continuously for a minimum of 70,000 hours. It features an Airflow rating of 50 CFM and loudness rating of 0.7 Sones as certified by the Home Ventilating Institute (HVI). HVI-Certification promises our fans are independently tested and rated by to ensure they deliver on promised performance. It consumes only 5.0-Watt, with an efficiency rating of 11.0 CFM per Watt. It has a dimmable LED light for adjustable ambiance (dimmable switch not included) which has a lifespan of 30,000 hours and a color temperature of 2700K. Enjoy a relaxing, quiet shower experience with this high performance fan. Color: White.