8" X 18" Or 18" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 19.75] Width_24in + Product Details Size -

+ Product Details Size - 36"w X 6"h X 2"d (for duct opening measurement only)

this non-pleated filter offers low resistance to airflow

actual front end outer dimensions are approximately 18 5/8" width X 27 5/8" height

no professional tools needed

Crafted from strong and sturdy steel with a powder-coat finish

8" X 18" Or 18" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 19.75] Width_24in + 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