Aoibox 12 in. Square Aluminum Automatic Gravity Shutter Louver Standard Static Roof Vent

Aoibox 12 in. Square Aluminum Automatic Gravity Shutter Louver Standard Static Roof Vent in Silver SNMX5282

This 12 in. automatic gravity shutter’s outer dimension measures 14.96 in. x 14.96 in. x 1.38 in. (length x width x depth), ideal for homes, garages, and greenhouses. Precision manufacturing so that the louvers can be 100% fully close to prevent water weather and pest proof from entering. Heavy duty and precision structure enable this shutter to withstand tropical storm conditions including hurricanes and tornados. Color: Silver.