Delta Breez model GBR100LED has been awarded ENERGY STAR qualified with brushless DC motor engineered to run continuously for a minimum 70,000 hours; airflow rating of 100 CFM and loudness rating of 1.5 Sones at 0.1 static pressure as certified by the Home Ventilating Institute (HVI); power consumption of 13 Watts with efficiency rating of 7.6 CFM/Watt at 0.1” static pressure; fan will feature LED indicator running light, motor lock protection and self-compensating motor speed for intended airflow when static pressure is encountered. UL and cUL listed for tub/shower enclosure when used with GFCI-protected branch circuit wiring