ENERGY STAR Certified Ultra Quiet Variable Dual Speed Humidity Sensing Ceiling Bathroom Exhaust FanImprove air quality in your bathroom with the Air King ENERGY STAR Certified Ultra Quiet Variable Dual Speed Humidity Sensing Ceiling Bathroom Exhaust Fan. With its ENERGY STAR certification and variable dual speed options, this fan removes humidity and excess moisture efficiently and quietly. Plus, its sleek design blends seamlessly with any bathroom decor. Dimension Value Housing Length (in.) 12. 875 Housing Width (in.) 12. 75 Product Height (in.)