16"W X 22"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 23.75"H] Color_Aluminum Complies with industry standards of

Complies with industry standards of USA: ASTM D-882

875" width X 15

+ Product Spec Sheet Return Air Grille Spec Sheet

and its seamless drop-in installation process ensures effortless setup

text-align: center

16"W X 22"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 23.75"H] Color_Aluminum Complies with industry standards of+ Product Details Size 16"w X 22"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" width X 23. 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