Description
AIWFL 18 Inch Aluminum Automatic Exhaust Shutter Louver Vent, Automatic Gravity Shutter Louver Vent for Home Attics, Workshops, Barn, Greenhouse
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- Automatic Shutter Louver Vent: The outer dimension of AIWFL 18 inch aluminum shutter louver vent measures 20.66" x 20.66" x 1.77", suitable for windows outside, home, garages, workshops and greenhouses
- Automatic Gravity Shutter: The automatic gravity shutter louver vent is easy to install and maintain. This black shutter louver vent features an automatic gravity shutter design that can automatically opens and closes with airflow, adapting to different ventilation needs
- Premium Quality Aluminum: Our automatic exhaust shutter louver vent is made of superior quality aluminum that it's strong and sturdy, will not rust or corrode
- Heavy Duty Shutters: Automatic shutter vent can be fully closed to effectively block rain and dust, heavy duty structure ensures the shutter can withstand harsh weather conditions. Exhaust fan blades and motor are not included
- Wide Applications: This gravity shutter vent can circulate indoor and outdoor air and can also reduce or increase indoor temperature, great for use in attics, workshops, factories, warehouses, sheds, barns and greenhouses
