The clean look of these grid pattern vent covers are perfect for any home’s style. Elegant finishes to match your decor. Easy to assemble and comes with everything you need. Made in the U.S., all of our products are hot and cold tested for winter and summer use. The clean, modern design of the metal grid (square) vent covers accent your decor and provides the finishing touch when decorating your home. Square grilles are available in aluminum or steel and in six colors, including oil-rubbed bronze, black, sun gold, white, silver, and gray. Aluminum and steel vent covers in gray can be painted any color to match your decor (we recommend paint made for metal and not a latex paint). Contemporary, modern design Constructed from premium quality aluminum or steel 33 sizes in stock and ready to ship 6 colors, including gray for custom paint options Available Finishes Silver Oil Rubbed Bronze Gray - Paintable White Black Champagne Bronze Sun Gold Satin Nickel Product Specifications (4" x 12" Pictured) Duct Size Dimensions: 12.00” x 2.25” Outside Dimensions: 14.00” x 3.50” Design Dimensions: 11.75” x 1.75” Grille Thickness: 3/16” Underside Lip: ¼” (Cast Aluminum ONLY) Free Air: 56% Steel: Requires Mounting Holes to Install in Floor Applications Cast Aluminum Duct Size (Order Size) Overall Size Weight 2¼" x 10" 3½" x 12" 2 lbs 2¼" x 12" 3½" x 14" 2 lbs 2¼" x 14" 3½" x 16" 2 lbs 4" x 10" 5½" x 12" 2 lbs 4" x 12" 5½" x 14" 2 lbs 4" x 14" 5½" x 16" 2 lbs 6" x 10" 8" x 12" 2 lbs 6" x 12" 8" x 14" 4 lbs 6" x 14" 8" x 16" 4 lbs Steel Duct Size (Order Size) Overall Size Weight 4" x 8" 5½" x 10" 2 lbs 6" x 6" 8" x 8" 2 lbs 6" x 22" 8" x 24" 6 lbs 6" x 24" 8" x 26" 9 lbs 6" x 30" 8" x 32" 9 lbs 8" x 8" 10" x 10" 3 lbs 8" x 10" 10" x 12" 3 lbs 8" x 12" 10" x 14" 4 lbs 8" x 14" 10" x 16" 4 lbs 10" x 10" 12" x 12" 4 lbs 12" x 12" 14½" x 14½" 7 lbs 12" x 24" 14½" x 26½" 12 lbs 14" x 14" 16½" x 16½" 12 lbs 14" x 24" 17" x 27" 20 lbs 14" x 30" 17" x 33" 21 lbs 18" x 18" 20½" x 20½" 12 lbs Air Control – Louvers Optional assemblies for air flow regulation. Installed behind grilles, these components are adjustable and do not alter airflow direction. Mounted inside the duct Operated with screwdriver or included key Not connected to grille Foam strip included for tight fit