iPower 16-Inch Square Aluminum Automatic Gravity Shutter Louver Vent, Silver

iPower 16-Inch Square Automatic Gravity Shutter. Outer dimension measures 19.29" x 19.29" x 2.76" (Length x Width x Depth), and inner dimension measures 16.54" x 16.54". Product made from heavy-duty and high-quality aluminum. Fan blade and motor are not included.

• PRODUCT DIMENSION: This 16-Inch Automatic Gravity Shutter’s outer dimension measures 19.29" x 19.29" x 2.76" (Length x Width x Depth), ideal for home, garages, and greenhouses – check the product image for detailed product dimensions.
• HIGH-QUALITY ALUMINUM: Product made from high-quality aluminum that it’s durable and never corrosion or rust, maintain a neat and smooth surface.
• WEATHER AND PEST PROOF: Precision manufacturing that the louvers can 100% fully close to prevent water from entering. Heavy duty and precision structure enable this Shutter to withstand tropical storm conditions including hurricanes and tornados.
• FUNCTIONAL: Automatically open and gravity close. This shutter accompany with an iPower motor and fan blade can help to cool your space and remove excess heat, moisture and dust.
• CAUTION: This Automatic Gravity Shutter is sold alone, does not include the exhaust fan blade and motor.