6" X 14" or 14" x 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 15.75] Compatible with Duct 5" + Product Details Size -

+ Product Details Size - 25"w X 34"h is the size for the duct opening measurement only

Universal Fit – Measures 3-7/8" wide x 3-1/2" high x 3" deep

PREMIUM QUALITY - Our galvanized duct box is made of high-quality galvanized sheet metal with crimped ends for easy fitting and secure connection purpose

fits securely onto standard 5/8 in

6" X 14" or 14" x 6" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 7.75 X 15.75] Compatible with Duct 5" + Product Details Size -+ Product Details Size 6"w X 14"h or 14" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 15. 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