Ladcaser 20"/24" Shutter Exhaust Fan, Wall Mounted Shutter Exhaust Fan, 3500 CFM, 1500 RPM High Speed Low Noise Automatic Shutter Attic Fan, Ventilation and Cooling for Greenhouses Garages Sheds

Exceptional Airflow Performance: Our greenhouse shutter fan operate at 120 volts and 60 Hz, reaching speeds of 1,500 RPM to move an impressive 3,500 cubic feet of air per minute. These industrial-grade fans are perfect for all your cooling and ventilation needs. Corrosion-Resistant Construction: Made from high-quality aluminum, our wall exhaust fan are designed to withstand and heat, preventing corrosive rust and ensuring long-lasting performance. Automatic Shutter Mechanism: Featuring a convenient wall-mounted design, our garage wall fan automatically open and close with operation, enhancing ventilation efficiency. Quick Installation: Enjoy easy setup with our fully assembled 20inch or 24 inch exhaust fan with shutter, which can be installed in a window or wall opening. Remember to remove the protective film for optimal performance! Versatile Use: Ideal for a range of environments, our Shutter Exhaust Fan effectively removes heat, dust, and odors from residential, commercial, industrial, and agricultural spaces, including attics, workshops, factories, and greenhouses.