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 Powder-Coat Finish – smooth

Powder-Coat Finish – smooth

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

With Insect Net That Will Prevent Mousquitos and Insects From Entering

It's also the perfect gift for crafters and builders

actual front end outer dimensions are 5

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 Powder-Coat Finish – smooth+ 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