4" X 16" or 16" x 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 17.75] Adjustable Return Seamless Installation: Designed to fit

Seamless Installation: Designed to fit seamlessly into a 24 by 24 inch opening

actual front end outer dimensions are approximately 27 5/8" width X 12 5/8" height

Its sleek contours bring a touch of modern sophistication to any room

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 24" or 24" x 8" duct opening (measured at the opening)

4" X 16" or 16" x 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 17.75] Adjustable Return Seamless Installation: Designed to fit+ Product Details Size 4"w X 16"h or 16" x 4" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 75" width X 17. 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