Photo 1 of Sierra Grates Ceiling Vent Register 10x4 | Steel 2-Way Adjustable Air Supply Diffuser Grille for Sidewall & Ceiling | White HVAC Vent Cover | Air Vents for Ceiling | Outer Dimensions 11.75" x 5.75

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Photo 1 of Sierra Grates Ceiling Vent Register 10x4 | Steel 2-Way Adjustable Air Supply Diffuser Grille for Sidewall & Ceiling | White HVAC Vent Cover | Air Vents for Ceiling | Outer Dimensions 11.75" x 5.75Photo 2 of Sierra Grates Ceiling Vent Register 10x4 | Steel 2-Way Adjustable Air Supply Diffuser Grille for Sidewall & Ceiling | White HVAC Vent Cover | Air Vents for Ceiling | Outer Dimensions 11.75" x 5.75