The quiet exhaust fan series features an energy efficient fluorescent light with a contoured low profile grill, a moonstone glass lens and a night light. All can be wired to operate separately and the electronically balanced centrifugal blower wheel assures maximum ventilation at minimum sound. Energy Star Rated spring loaded damper protects against back drafts. UL listed for installation over a tub or shower on a GFCI circuit. HV12100 Certified. Standard 26 watt maximum compact fluorescent 4 pin quad tube lamp, 4 watt night light, (bulb included). Motors suitable for continuous operation. 4 in metal duct collar with back draft damper provides a solid ducting connection and prevents drafts from entering the room. White polymeric grill 11 in x