8" X 16" or 16" x 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 17.75] Side Out Ceiling Register Box + Product Details Size –

+ Product Details Size – 36"w X 16"h is the size for the duct opening measurement only

Refrigerant - 1/2" White Insulation - 50' Long

Slots are angled to diversify the airflow in 2 way direction

Applications – The C-box duct with drywall flange

It immediately improves the appearance of mini-split

8" X 16" or 16" x 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 17.75] Side Out Ceiling Register Box + Product Details Size –+ Product Details Size 8"w X 16"h or 16" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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