Photo 1 of 20" x 26" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 21.75w X 27.75"h] 20 x 26 White

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Photo 1 of 20" x 26" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 21.75w X 27.75"h] 20 x 26 WhitePhoto 2 of 20" x 26" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 21.75w X 27.75"h] 20 x 26 White