12" X 24" or 24" x 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 25.75] Aluminum Jacket This 18" X 10" end

This 18" X 10" end cap is constructed with 26-gauge galvanized steel

+ Product Details Size - 24"w X 10"h X 2"d (for duct opening measurement only)

Design – rigid gauge built for durability and long life in mind

+ Product Details Size – 30" x 32" or 32" x 30" is the size for the duct opening measurement only

12" X 24" or 24" x 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 25.75] Aluminum Jacket This 18" X 10" end+ Product Details Size 12"w X 24"h or 24" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 25. 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