The Fantech DGD 4 Exhaust Grille is a stylish and functional addition to any home or garden, designed to fit a 4-inch duct connection. With a product diameter of 4 7/8 inches and a height of 3 3/4 inches, this designer grill and damper model (FANTECH DG4) adds a touch of elegance to your heating, cooling, and air system. The backdraft damper ensures proper ventilation while the collar provides a secure fit for easy installation. A shipping width of 7 inches makes it convenient for delivery and installation in your home improvement project.