12" X 16" or 16" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 17.75] Supply Grille + Product Details Size –

+ Product Details Size – 6" x 34" or 34" x 6" is the size for the duct opening measurement only

actual front end outer dimensions are 17" Width X 17" Height

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

actual front end outer dimensions are 21" Width X 21" Height

these pipes offer easy handling

12" X 16" or 16" X 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 17.75] Supply Grille + Product Details Size –+ Product Details Size 12"w X 16"h or 16" X 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 17. 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