EZ-FLO 61618 Four-Way Steel Ventilation Steel Sidewall or Ceiling Air Register, 8" x 8" square, White FINISH: White Powder-Coated Smooth Finish quickly updates any room or office DIMENSIONS: Duct opening dimensions: 8-inch x 8-inch, and the outer dimension measures 9-3/4 x 9-3/4 inches MATERIAL: The all steel construction makes this sidewall or ceiling diffuser a long-lasting, durable choice DESIGN: This vent register has a four-way air deflection system with an adjustable damper; damper blades control airflow EASY INSTALLATION: The grille kit includes screws which makes installation easy and efficient