Broan QTREN080FLT Ultra Silent Ventilation Fan w/Light & Night-Light, 4" Ducting (80 CFM) Nearly silent operation 0.8 Sones Air Flow: 80 CFM 4" Ducting Size New improved lighting w/ 36 Watt GU24 fluorescent light (2 18 Watt bulbs included) & 4 Watt night-light (bulb is not included) Energy Star qualified, Title 24 Compliant