Low profile flush mount design Mounts under soffit Vents moisture and odors to the outside Designed with butterfly damper for maximum airflow and energy conservation Color/Finish Family: White Manufacturer Color/Finish: White Length (Inches): 8.5 Rough Opening Length (Inches): 8.5 Weight (lbs.): 0.63 Width (Inches): 8.5 Material: Plastic Net Free Area (Sq. Inches): 0.3047 Package Quantity: 1 Rough Opening Width (Inches): 8.5 CA Residents: Prop 65 Warning(s): No Warranty: 1-year limited UNSPSC: 40101500