10" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 11.75] 4in diameter + Product Details Size -

+ Product Details Size - 26"w X 28"h X 2"d (for duct opening measurement only)

+ Product Details Size - 34"w X 14"h X 2"d (for duct opening measurement only)

+ Product Details Size - 28"w X 4"h is the size for the duct opening measurement only

+ Product Description Maximize your home’s airflow with this premium Air Supply Grille air supply grille

10" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 11.75] 4in diameter + Product Details Size -+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 11. 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 shrink