iPower 12-Inch Square Aluminum Automatic Gravity Shutter Louver Vent, Silver (HIDAMP12)
iPower 12-Inch Square Automatic Gravity Shutter. Outer dimension measures 14.96 x 14.96 x 1.38 (Length x Width x Depth), and inner dimension measures 12.32 x 12.32. Product made from heavy-duty and high-quality aluminum. Fan blade and motor are not included.