Precision Design--The exhaust fan grill cover design allows the fan to blow air evenly around the house and pull bad air from all directions to maintain fresh indoor airEasy to install--This wall mounted exhaust fan can be installed on a window or wall and is easy to install. It is an advanced window exhaust fan and wall mounted exhaust fan with powerful motor and high performanceDurable Motor--The fan adopts permanently lubricated and sleeve bearing motor which is resistant to wear-resistant, high-quality rust-proof copper material, built-in overheating protection device, and has the advantages of anti-corrosion, long service life, stable speed, safety and low noise. ABS material shell effectively protects the motor and makes it work betterHigh Performance--320m/h large airflow, 18W low power consumption, noise less than 35dB. Also designed with a rear check valve that allows it to automatically open and close with the fanWidely Used--The extractor fan comes with a 39.4 inch power cord with plug,perfect for greenhouse, attic, bathroom, kitchen, windows, basement, garage, office, living room and other places that need ventilation