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 With Insect Net That Will

With Insect Net That Will Prevent Mousquitos and Insects From Entering

Powder-Coat Finish – smooth

Actual Filter Size – 15 3/4"w x 27 3/4" x 1"

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

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 With Insect Net That Will+ 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