10" X 24" or 24" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 25.75] w8h8 With a 4-inch size

With a 4-inch size

actual front end outer dimensions are 15

protecting it from outside elements

allowing you to choose the best option to suit your airflow needs

10" X 24" or 24" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 25.75] w8h8 With a 4-inch size+ Product Details Size 10"w X 24"h or 24" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 25. 75" height. High Quality High grade steel construction meant for high foot traffic areas. Installation Location Floor. Design Easy drop in installation. Powder Coat Finish Smooth, shiny, scratch resistant, with no sharp edges. Looks like it was just waxed. Quality Packaging Carefully