16"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 13.75"H] w16h16 allowing unrestricted airflow for optimal

allowing unrestricted airflow for optimal HVAC performance

All of these grills have dampers

How to Measure Your Vent Hole Before Ordering a Grille

R Value Rating of Insulation - R3

No Sharp Surface Edges

16"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 13.75"H] w16h16 allowing unrestricted airflow for optimal+ Product Details Size 16"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" width X 13. 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