4" X 18" Or 18" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 19.75] Curved Blade Steel allowing you to update the

allowing you to update the aesthetic in your home without losing valuable seasonal control of your HVAC system

continuous airflow throughout your HVAC system

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 10" X 6" X 6"

+ Product Details Size – 24" x 24" is the size for the duct opening measurement only

order a 20x14 grille

4" X 18" Or 18" X 4" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 5.75 X 19.75] Curved Blade Steel allowing you to update the+ Product Details Size 4"w X 18"h or 18" x 4" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 75" width X 19. 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