NuTone AEN110L InVent Energy Star Certified Single-Speed Ventilation Fan with LED Light, 110 CFM 1.0 Sones 110 CFM reduces humidity to quickly eliminate fogged mirrors and manage moisture in bathrooms up to 105 square feet Retrofit installations can be done entirely from the room-side  no attic access required With our true seal damper technology, invent fans reduce air leakage by up to 50% compared to competitive models Ezduct connector can be installed room-side with no attic access required, fan housing connection have never been easier Includes 11 watt, 3000K, integrated LED module for energy efficiency