Modern Style & Sturdy: With the modern design, this corrosion-resistant bathroom exhaust fan is suitable for home, office, hotel or other enclosed spaces, fits any decor style. And the Sturdy and waterproof ABS fan cover can use for many years Easy to Install: This bathroom fan fits 7-3/4" x 7-1/2" ceiling construction, which comes with installing instruction, 4" black duct connector and other installing accessories for easy and installation. The bathroom vent fan cover is installed by spring fasteners, easy and convenient to install and disassemble, conducive to later cleaning and maintenance Dimensional Specifications of Ventilation Fan: (1) Ceiling mounting opening size is 7-3/4" x 7-1/2". (2) Housing size is 7.55" x 7.32" x 5.75". (3) White exhaust fan cover size is 11.81'' x 11.81". (4) Duct connector diameter: 4". (Warm Tip: Please comfirm the size before purchasing!!!) Powerful & Efficienct Ventilation But Super Quiet: This bathroom fan for ceiling is equipped with 110 CFM airflow, which also operates quietly with a sound level of 1.0 Sone. Adopting a unique multi-blade wheel design which can support strong airflow through and take away the moisture and odors without making a loud noise Widely Applications:This household ventilation fan can maintaining the rooms ventilation and dryness, suitable the bathroom, bedroom, laundry and other enclosed spaces that need to reduce moisture and odors. What You Will Get: Includes 1 x Zomagas bathroom exhaust fan, 1 x duct connector, 1 x installing accessories, 1 x User Manual.