iPower 7 Inch Wall Mounted Shutter Exhaust Fan, Aluminum, 1600 RPM, 760 CFM, for Attic, Garage, Louvered Vent, Plant, Greenhouse, Silver

SPECIFICATION Fan: 7 Inch, 1600 RPM, 760 CFM, 120V, 60HZ, 28W, Aluminum louvers and blades, Steel frame; Speed controller: 120V, 3A, 350W, 3 speed, can adjust 50%-100%,HIGH QUALITY This louvered fan features corrosion-resistant aluminum louvers and blades. This extends the life of the fan and prevents rust.,STRONG PROTECTIONAutomatic shutters are open when the fan is running, and close automatically due to gravity when the fan stops running, preventing mosquitoes and dust from entering the room,EASY TO INSTALL The fan will be delivered to you fully assembled, all you need to do is to use the tools to mount the frame on the wall and connect the power cord and it will be ready to use!,MULTI- PUROPSE This 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.