Photo 1 of 18.5"w X 18.5"h Gable Vent, Hon&Guan Aluminum Alloy Attic Vent Wall Vent for Houses, Shed Vents for Interior Doors [Outer Dimensions: 20”x 20”h]. 20" x 20" Aluminum Alloy

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Photo 1 of 18.5"w X 18.5"h Gable Vent, Hon&Guan Aluminum Alloy Attic Vent Wall Vent for Houses, Shed Vents for Interior Doors [Outer Dimensions: 20”x 20”h]. 20" x 20" Aluminum AlloyPhoto 2 of 18.5"w X 18.5"h Gable Vent, Hon&Guan Aluminum Alloy Attic Vent Wall Vent for Houses, Shed Vents for Interior Doors [Outer Dimensions: 20”x 20”h]. 20" x 20" Aluminum Alloy