[Wall Mounted Shutter Exhaust Fan] : 20Inch, 1200RPM, 3368 CFM, 120V, 60HZ, 150W, Aluminum louvers and blades, Steel frame; Speed controller: 120V, 3A, 350W, 3 speed, can adjust 50%-100%.
[High Quality] This louvered Exhaust Fan features corrosion-resistant aluminum louvers and blades; This extends the life of the fan and prevents rust.
[Strong Protection] Automatic shutters are open when the Wall Mounted Fan is running, and close automatically due to gravity when the fan stops running, preventing mosquitoes and dust from entering the room.
[Easy Installation] The Wall Mounted Shutter Exhaust Fan is delivered mostly assembled, all you need to do is mount the frame to the wall using tools, then connect the power cord and accessories and it's ready to use!
[Multi- Puropse] This Wall Mounted Fan can circulate indoor and outdoor air to freshen up the indoor air, in addition to lowering or raising the indoor temperature, it can be used in warehouses, barns, garages, greenhouses, attics and so on.