8" X 18" Or 18" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 19.75] Filter Grille Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 17 3/4" x 1"

Monitor the pump for any unusual noises or vibrations

or special occasions

With its practical roll-formed lock construction on all four sides

+ Product Details Size - 16"w X 10"h X 2"d (for duct opening measurement only)

8" X 18" Or 18" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 19.75] Filter Grille Actual Filter Size – 13+ 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