4"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 5.75"W X 11.75"H] Floor Grille text-align: center

text-align: center

+ Product Details Size - 18"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are 13

listed size +2"

Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment

4"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 5.75"W X 11.75"H] Floor Grille text-align: center+ Product Details Size 4"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 75" width X 11. 75" height. Design Easy unrestricted airflow for your HVAC system 50 angled to provide maximum airflow. High Quality Solid stamped steel with counter sunk screw holes (screws included) and no sharp edges. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just waxed.