Sameer 230mm Ventilation Exhaust Fan (Black) Color Name:Black   Sameer 230mm 9-inch Anti-Rust Ventilation Exhaust Fan with heavy duty motor. The fan is powerfull and is ideal for use in bathrooms and kitchen. Since the fan runs on a powerful motor, there will be some noise. Product operating noise level : 80 db(exhaust fan industry wide acceptable levels: 80-90 db), human voice as a reference(50-60 db).