20"W X 30"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 31.75"H] Floor Grille + Product Description Improve your

+ Product Description Improve your HVAC system with our high-quality

Installation Location – Sidewall & ceiling

These are specially sized to fit into all drop ceiling's

actual front end outer dimensions are approximately 22 5/8" width X 52 5/8" height

20"W X 30"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 31.75"H] Floor Grille + Product Description Improve your+ Product Details Size 20"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" width X 31. 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