EZ-FLO 61670 Steel Return Air Filter Grille for Sidewall and Ceiling Installation with Screws, 14" x 20", White FINISH: White Powder-Coated Smooth Finish quickly updates any room or office DIMENSIONS: Duct opening measurements: 14-inches x 20-inches; Outer dimensions measure: 16-11/16 x 22-11/16 inches MATERIAL: All steel construction; high-impact, heavy-duty steel makes this air vent filter grille highly durable CONTENTS: This package includes a kit of screws to make installation easy and efficient EASY INSTALLATION: This return filter grille can be installed on the sidewall or ceiling without any hassle to ensure maximum airflow