Floor Registers ** 4” x 10” ** Brushed nickel finish 4 Floor Registers for Sale. Fits most 4" x 10" duct openings. Rustproof Brushed nickel finish. Purchased from Home Depot for $30 each, but never used. Asking $20 each registers, or $75 for the matching set of four. Below is info from the manufacture … Modernize your home in minutes with this easy, functional and decorative update. Rust proof dampers make it easy for you to adjust the airflow direction in any room. Measure your duct opening, insert a new Modern Homes Beveled Edge Floor Register, and let the transformation begin. Fits most 4" x 10" duct opening. • Brushed nickel finish • Damper adjusts for optimal air flow direction • Stylish pattern adds an elegant personal touch • Fits duct opening: 4" x 10"