Photo 1 of [10 x 10 Duct Hole] Vent Cover. Aluminum Exterior Return Grille HVAC Sidewall - Outside Air Louver Waterproof & Rain Block. Return Grille Outdoor. The Aluminum Never Rust. White [11.6 x 11.6" Face]

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Photo 1 of [10 x 10 Duct Hole] Vent Cover. Aluminum Exterior Return Grille HVAC Sidewall - Outside Air Louver Waterproof & Rain Block. Return Grille Outdoor. The Aluminum Never Rust. White [11.6 x 11.6" Face]