8" X 18" Or 18" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 19.75] 4in diameter } + Product Details Size

} + Product Details Size & Compatibility - The size of a boot register end is 14" X 4" X 7" galvanized floor boot end center 26-gauge

along with a wall cover for added convenience

+ Product Details Size - 14"w X 8"h X 2"d (for duct opening measurement only)

Airflow and filtration aren’t our only priorities in making this HVAC accessory

8" X 18" Or 18" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 19.75] 4in diameter } + Product Details Size+ Product Details Size 8"w X 18"h or 18" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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