Check the listing for details. 24" Wall Mounted Exhaust Fan Automatic Shutter Variable Speed Vent Fan For Attic. Color: Silver, Condition: New, Made in United States. Listed at 175.19 USD. Product Fit For: [SPECIFICATION]: Fan: 24 Inch, 1400 RPM, 4120 CFM, 120V, 60HZ, Aluminum louvers and blades, Steel frame; Speed controller: 120V, 15A, 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 PROTECTION]: Automatic 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 INSTALLATION]: The 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! .