12" X 24" or 24" x 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 25.75] Material_Polished Aluminum + Product Details Size -

+ Product Details Size - 48"W X 6"H is (for duct opening measurement only)

100% Satisfaction Guaranteed

These are specially sized to fit into all drop ceilings

No need to worry about complicated setups or lengthy installations – just place it in position

+ Product Details Size & Compatibility – The size of the side round ceiling box is 8" X 8" X 8" and it is compatible with duct 8"

12" X 24" or 24" x 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 25.75] Material_Polished Aluminum + Product Details Size -+ 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