Air King ESB130D Energy Star 2-Speed Eco Exhaust Bath Fan, 130-CFM ETL Approved. UL listed for installation over a tub or shower on a GFCI circuit. Energy Star Certified. Moves 50 CFM on low setting, 130 CFM on high setting at .10 static pressure at a very quiet &lt;.3 sones. Easy wiring access through side access panel. 1/2" electrical knockouts. The low profile, 14 1/4" x 14 1/4" white, polymeric grill is easily removed if necessary. Effective ventilation area 115 to 160 square feet. Provides solutions for areas needing a higher volume of ventilation Low profile grill that almost disappears into the ceiling Blower wheel assures proper ventilation with minimal sound Motor is suitable for continuous operation Comes with a 5-year limited warranty