4" X 16" or 16" x 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 17.75] Material_Copper + Product Details Size -

+ Product Details Size - 12"w X 16"h X 2"d (for duct opening measurement only)

It's also the perfect gift for crafters and builders

actual front end outer dimensions are 5

+ Product Details Size - 18"w X 10"h is the size for the duct opening measurement only

Our T bar drop ceiling grills are renowned for their exceptional 360-degree airflow capability

4" X 16" or 16" x 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 17.75] Material_Copper + Product Details Size -+ Product Details Size 4"w X 16"h or 16" x 4" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 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