KEN BROWN 12" Shutter Exhaust Fan, Wall Mounted Attic Fan with Speed Controller, 1450 CFM, Automatic Shutter for Attic Garage Workshop Greenhouse Ventilation

KEN BROWN 12" Shutter Exhaust Fan, Wall Mounted Attic Fan with Speed Controller, 1450 CFM, Automatic Shutter for Attic Garage Workshop Greenhouse Ventilation

• [Speed Control Exhaust Fan] This 12‑inch shutter exhaust fan comes with a variable speed controller and delivers 1450 CFM for efficient air exchange. It rapidly removes heat, humidity, odors, and dust. Ideal for attics, workshops, garages, chicken coops and greenhouses
• [Save Energy Powerful Motor] This vent fan features a high-efficiency motor for up to 30% energy savings. Powered by a 55W enclosed copper ball bearing motor running at 1600 RPM, it operates smoothly with low noise (<60dB), while built with waterproof and dustproof structure for maintenance-free use, perfect for year-round ventilation
• [Premium Material] Our wall exhaust fan features a sturdy galvanized steel frame, aluminum shutters, and aluminum fan blades. This structure offers excellent rust resistance and stable performance, making the greenhouse exhaust fan reliable even in damp or high-temperature environments
• [Automatic Louvers Protection] The shutter exhaust fan is designed with automatic self-opening louvers, and it opens during operation and closes automatically after shutdown. This design greatly blocks rain, flying creatures and other external contaminants. It also prevents cold air infiltration and reduces unnecessary heat loss in winter
• [Thermal Protection] For safe and worry-free ventilation, the chicken coop fan is equipped with an automatic 135°C thermal protector. The fan shuts off automatically once the motor overheats. It restarts on its own after cooling, no manual reset required. Perfect for 24-hour unattended ventilation
• [Reliable Customer Service] Ken Brown offers professional and efficient customer support and responds to all inquiries within 24 hours. If you have any questions or issues with our products, please feel free to contact us — we're always here to help