10" X 18" or 18" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 19.75] Floor Grille Toe Space actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 10 5/8" height -

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 26" duct opening (measured at the opening)

polished appearance that adds elegance to any room

+ Product Details Size - 40"W X 4"H is (for duct opening measurement only)

providing comfort and control

10" X 18" or 18" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 19.75] Floor Grille Toe Space actual front end outer dimensions+ Product Details Size 10"w X 18"h or 18" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 19. 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