12 Inch Galvanized Sheet Spraying Automatic Exhaust Shutter Louver Vent (No Fan Blades and Motor, 2 Pack) for Home Attics, Workshops, Barn, Greenhouse

Product made from high-quality galvanized sheet that it’s durable and never corrosion or rust, maintain a neat and smooth surface.

• 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.