EZ-FLO 61653 Steel Sidewall and Ceiling Return Air Filter Grille, 14" x 14", White FINISH: White Powder-Coated Smooth Finish quickly updates any room or office DIMENSIONS: Duct opening measurements: 14-inch x 14-inch, and the outer dimension measures 16-11/16-inch x 16-11/16-inch MATERIAL: This durable return air vent filter grille is an all steel construction made of high-impact, heavy-duty steel CONTENTS: This package includes a kit of screws to make installation easy and efficient EASY INSTALLATION: This return filter grille is easy to install on the sidewall or ceiling to ensure maximum airflow