Photo 1 of 12" x 12" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 13.75 X 13.75] 12 x 12 Return Grille

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Photo 1 of 12" x 12" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 13.75 X 13.75] 12 x 12 Return GrillePhoto 2 of 12" x 12" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 13.75 X 13.75] 12 x 12 Return Grille