10" X 18" or 18" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 19.75] Color_Gray It facilitates the efficient delivery

It facilitates the efficient delivery and removal of air

which the interior PET provides

With a 6" diameter for the duct opening measurement

+ Product Description Introducing our 6" x 10" or 10" x 6" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

+ Product Details Size – 36"w X 34"h is the size for the duct opening measurement only

10" X 18" or 18" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 19.75] Color_Gray It facilitates the efficient delivery+ 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