Bathroom Fan- Delta GBR100Innovative design for long life, low noise and low power consumption, the Delta Breez model GBR100 bathroom fan has an air flow of 100 CFM and 1.4 Sones. Power consumption of 12.6 Watts with an efficiency rating of 7.9 CFM/Watt. The life expectancy for this bathroom fan is 70,000 hrs, which is about 8 years running continuously. This quiet energy efficient bathroom fan combines several design innovations, including a switching power supply that converts AC 110~220V power source to DC power to drive a DC brush less motor. This design provides a quieter solution with energy savings up to 65% compared to traditional AC motor products. The Delta Breez bathroom fan is easy to install in new construction or an existing bathroom to deliver an unobtrusive appliance with aesthetically pleasing results. The product is safety certified and has passed the EMC test.