4" X 20" Or 20" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 21.75] Line Covers actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 20 5/8" height

rust-free aluminum

+ Product Description Upgrade your HVAC system with our heavy-duty

It is compatible with 5" duct

actual front end outer dimensions are approximately 26 5/8" width X 20 5/8" height

4" X 20" Or 20" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 21.75] Line Covers actual front end outer dimensions+ Product Details Size 4"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 75" width X 21. 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 shrink wrapped