10" X 12" or 12" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 13.75] 10" Diameter + Product Details Size -

+ Product Details Size - 34"w X 22"h is the size for the duct opening measurement only

SIZE & COMPATIBILITY - The size of sheet metal pipe is 10" X 60"long

+ Product Details Size - The listed 6" diameter refers specifically to the size of the duct opening

Designed for both walls and ceilings

10" X 12" or 12" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 13.75] 10" Diameter + Product Details Size -+ Product Details Size 10"w X 12"h or 12" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 13. 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