14 Inch Aluminum Automatic Shutter Louver Vent (No Fan Blades and Motor) for Home Attics, Workshops, Barn, Greenhouse

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About This Premium Material: Made of high-grade galvanized sheet, this high-quality shutter louver vent is easy to install and maintain, durable and corrosion-resistant. Efficient Automatic Gravity Operation: This gravity shutter vent is designed with durable automatic gravity shutter mechanism, which can automatically open and close with the airflow to adapt to different ventilation needs. Weather proof: The shutters can be completely closed, effectively blocking rain and dust, and can operate stably in adverse weather conditions. Multi-Purpose: The shutters can be effectively used for both intake and exhaust purposes. Ideal for use in home attics, workshops, welding rooms, factories, warehouses, barns and greenhouses. Note: This automatic shutter louver vent is sold separately and does not include the exhaust fan blade and motor. Show more