Plastic Air Vent Cover Adjustable Two Speeds

Vent cover is make of high quality ABS,compact and solid. Two speeds available, you can continuous press panel to adjust the incoming air volume. Built-in filter to effectively prevent dust from entering the fan's interior. Built-in Silencer cotton, provides you a quiet environment while exhausting the air. Easy to install, Wall or celling mounted,perfect for bathroom,office,room exhaust and ventilation use.