16" X 20" or 20" X 16" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 17.75 X 21.75] Brown 14" Circular Round Aluminum HVAC

14" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

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

+ Product Details Size - 30"w X 24"h is the size for the duct opening measurement only

Available in durable powder coat finish standard

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

16" X 20" or 20" X 16" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 17.75 X 21.75] Brown 14" Circular Round Aluminum HVAC+ 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