14" X 20" Or 20" X 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 21.75] Copper Coil this fitting is perfectly compatible

this fitting is perfectly compatible with 10-inch ducts

+ Product Details Size – 10" x 10" is the size for the duct opening measurement only

1 medium pocket

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actual front end outer dimensions are approximately 32 5/8" width X 12 5/8" height

14" X 20" Or 20" X 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 21.75] Copper Coil this fitting is perfectly compatible+ Product Details Size 14"w X 20"h or 20" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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