Broan 791LED 100 CFM 1.5 Sones Ventilation Fan with LED Lighting, White This Fan is best used for Bathrooms up to 95 Square Feet LED lasts up to 25,000 hours for maintenance-free convenience Bright 9-watt integrated LED for energy efficiency 800 lumen LED output (withour lens) Warm 3000K color temperature for ideal lighting 4" duct connector balances powerful, quiet operation with easy installation 100 CFM for strong air movement and 1.5 sons for quiet operation LED lasts up to 25,000 hours for maintenance-free convenience Warm 3000K color temperature for ideal lighting UL listed for use over bathtubs and showers when connected to a GFCI protected branch circuit