10" X 18" or 18" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 19.75] Color_R-4.2 Yellow actual front end outer dimensions

actual front end outer dimensions are approximately 20 5/8" width X 27 5/8" height -

Both lines taped together every 18in for easier handling & installation

+ Product Description Transform the appearance of your space with our premium Linear Clip-On Bar Aluminum Supply Air Grille

+ Product Details Size & Compatibility – The size of sheet metal pipe is 18" round x 10' long

finished in polished brass

10" X 18" or 18" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 19.75] Color_R-4.2 Yellow 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