QT Series Quiet 150 CFM Ceiling Bathroom Exhaust Fan, ENERGY STAR Kitchen backsplashes Specification Details Battery Voltage 20 volt Item Weight:.625 Specification Details Battery Voltage 20 volt max Blade Stroke Length 1 in Item Weight 170 Material Fiberglass Number of Shower Pieces 1 Piece Style Modern Wall Installation Type Direct to stud Returnable 180 Day Features Slip Resistant Floor Approximate Length x Width 48 x 36 Drain Location Center Installation Type Rectangular Shower Kit Type Base & Wall Shower Type Alcove Color Finish White Included Drain Surface Type Smooth Product Weight (lb 1 Warranty Certifications Certifications and Listings HVI Certified With a powerful 150 CFM airflow and ENERGY STAR certification