EZ-FLO 10 x 6 Inch Two-Way Ventilation Steel Sidewall/Ceiling Register, Steel Duct OpeningSIDE WALL AND CEILING VENT: Air vent deflector features a grille opening which measures 10 inch x 6 inch, and can be used for sidewall or ceiling mount. The outer dimension is measures 11 3 4 x 7 3 4 inches COMPATIBILITY: Vent covers are designed for use in both sidewall and ceiling locations DURABLE: Ceiling and sidewall vent features an all steel construction with a beautiful powder coated matte white finish to add a contemporary touch to your home