Photo 1 of 4" x 6" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 7.75" h] 4x6 White

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Photo 1 of 4" x 6" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 7.75" h] 4x6 WhitePhoto 2 of 4" x 6" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 7.75" h] 4x6 WhitePhoto 3 of 4" x 6" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 7.75" h] 4x6 White