Truaire C123M 14X06(Duct Opening Measurements) 3/4-Inch Margin Turnback 1/3-Inch Fin Spaced Floor Supply Grille 14-Inch by 6-Inch Floor Baseboard 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 15.75-inch in width and 7.75-inch in height.