【Precision Design】--The exhaust fan grille cover design allows the fan to blow air evenly throughout the house and suck in bad air from all directions to maintain fresh indoor air. 【Easy 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 performance. 【Durable Motor】--The fan adopts permanent lubrication and wear-resistant sleeve bearing motor, high-quality anti-rust copper material, built-in overheat protection device, and has the advantages of anti-corrosion, long life, stable speed, safety and low noise.The ABS material shell effectively protects the motor and makes it work better. 【High Performance】18W low power consumption, noise less than 35 dB.Also designed with a rear check valve that allows it to open and close automatically with the fan. 【Widely Used】attic, bathroom, kitchen, windows, basement, garage, office, living room and other places that need ventilation.