6" X 20" Or 20" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 21.75] Rectangular Duct Caps while a waterproof base ensures

while a waterproof base ensures protection against rust and damage

+ Product Details Size - 34"w X 20"h X 2"d (for duct opening measurement only)

+ Product Description Introducing our 4" x 18" or 18" x 4" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

+ Product Details Size - The listed 12" diameter refers specifically to the size of the duct opening

6" X 20" Or 20" X 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 21.75] Rectangular Duct Caps while a waterproof base ensures+ Product Details Size 6"w X 20"h or 20" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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