16" X 20" or 20" X 16" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 17.75 X 21.75] Brown Our Galvanized Sheet Metal Duct

Our Galvanized Sheet Metal Duct Pipes are manufactured from high quality galvanized steel

+ Product Details Size & Compatibility – The size of sheet metal pipe is 4" round x 120" long

Available in durable powder coat finish standard

making it perfect for both residential and commercial installations

Its innovative design includes a robust aluminum installation frame

16" X 20" or 20" X 16" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 17.75 X 21.75] Brown Our Galvanized Sheet Metal Duct+ Product Details Size 16"w X 20"h or 20" X 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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