Truaire C150TSW 02X10(Duct Opening Measurements) Toe Space Grille 2-Inch by 10-Inch Toe Space Floor Register, White Smoothglide damper Model Size Indicates Duct Opening Measurements not Wall Opening Measurements. High quality steel components , no plastic High quality powder coated The actual face size is 11.5-inch in width and 3.5-inch in height.