20" X 25" Or 25" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 26.75] Compatible With Duct 7in + Product Details Size –

+ Product Details Size – 18"w X 10"h is the size for the duct opening measurement only

Design – These galvanized or stainless-steel elbows are mechanically bent

+ Product Details Size – 36"w X 18"h is the size for the duct opening measurement only

this diffuser ensures long-lasting durability and adds a touch of elegance to any space

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

20" X 25" Or 25" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 26.75] Compatible With Duct 7in + Product Details Size –+ Product Details Size 20"w X 25"h o 25" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" width X 26. 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