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 Effortless Integration: Crafted for easy

Effortless Integration: Crafted for easy connection to supply grilles of drop ceiling T-Bar vent covers

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

making it an ideal choice for both masonry and stud wall installations

Actual Filter Size – 24 3/4"w x 5 3/4" x 1"

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 Effortless Integration: Crafted for easy+ 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