4" X 30" Or 30" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: [5.75 X 31.75] 2-Way Deflection + Product Details Size –

+ Product Details Size – 14"w X 28"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 17 3/4" x 1"

+ Product Details Size - 10"w X 4"h is the size for the duct opening measurement only

5 in" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

The powder-coated finish ensures a sleek look while protecting the grille from wear and tear

4" X 30" Or 30" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: [5.75 X 31.75] 2-Way Deflection + Product Details Size –+ Product Details Size 4"w X 30"h or 30" x 4" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 75" width X 31. 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