Photo 1 of 12" X 12" Outdoor Return Air Grille – for Outdoor Use - HVAC Vent Duct Cover Diffuser – [1.0mm Polished Aluminum] [Outer Dimensions: 13.75w X 13.75h] 12 X 12

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Photo 1 of 12" X 12" Outdoor Return Air Grille – for Outdoor Use - HVAC Vent Duct Cover Diffuser – [1.0mm Polished Aluminum] [Outer Dimensions: 13.75w X 13.75h] 12 X 12