Broan XN110HL Ultra Silent Ventilation Fan with Light, 6" Round Ducting (110 CFM) Nearly silent operation - 0.9 Sones, 110 CFM fan Versatility of a free-breathing 6" duct connector Bright 120 watt lighting (two 60W incandescent bulbs, not included) 7 watt nightlight capacity Fan motors are engineered for continuous operation