GreenBuilder Series 100 CFM Wall or Ceiling Bathroom Exhaust Fan with Adjustable Humidity Sensor, ENERGY STARThis Delta Breez GreenBuilder exhaust fan features adjustable humidity sensor and ENERGY STAR certification, providing efficient removal of excess moisture and promoting energy savings. With 100 CFM power, it effectively improves indoor air quality. A perfect choice for your bathroom. Dimensions Housing Length (in.) 8. 75 Housing Width (in.) 8 Product Height (in.) 5. 75 Product Length (in.) 10. 75 Product Width (in.) 8 Details Air Volume (CFM) 100