GreenBuilder Series 80 CFM Ceiling Bathroom Exhaust Fan with LED Light and Humidity Sensor, ENERGY STARThe GreenBuilder Series 80 CFM Ceiling Bathroom Exhaust Fan is a high quality and energy efficient choice for your bathroom. With an LED light and humidity sensor, it not only improves air circulation but also helps save on energy costs. As an ENERGY STAR certified product, you can rely on its performance and durability. Dimensions Housing Length (in.) 8. 25 Housing Width (in.) 8 Product Height (in.) 5. 75 Product Length (in.) 10. 75 Product Width