1[Efficient Ventilation]9.8 inch bathroom exhaust fan quickly and quietly removes exhaust and ventilate. Equipped with efficient double ball bearing motors, thickened impellers and 7 fan blades. 2[Wide Use]Exhaust fan is ideal for creating efficient indoor systems between workshops, basements, warehouses, apartments, kitchens, bathrooms and other areas that require continuous or regular ventilation. 3[Super Motor]Through wall fan adopts double ball bearing brushless external motors to ensure efficient silent operation. It can reduce the friction coefficient, effectively save electricity and prolong the service life. 4[Easy To Install]Through wall bathroom exhaust fan is easy to install, and suitable for wall or ceiling installation. It is recommended to fix the exhaust fan with screws. 5[Easy To Clean]Exhaust fan is easy to clean and the motor can be removed by unscrewing 4corner screws. Detachable design is convenient for regular cleaning of debris or oil and prolongs the service life. Item Type: ExhaustFan Material: 410 Stainless Steel Product Size: Approx. 300x300mm / 11.8x11.8in Weight: Approx. 3191g / 112.5oz Applicable Places: Kitchen, Bathroom, Garage Frequency: 50Hz Flow: 1450m/h Power: 100W Rated Speed: 2800r/min Recommended Opening: 260-270mm / 10.2-10.6in Depth: Approx. 160mm / 6.3in Diameter: Approx. 250mm / 9.8in 1 x ExhaustFan 1 x Sealing Strip