30"W X 24"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 25.75"H] w24h24 and its seamless drop-in installation

and its seamless drop-in installation process ensures effortless setup

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you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

+ Product Details Size – 16"w X 20"h is the size for the duct opening measurement only

Copper coil line set fits most ductless mini split air conditioners

30"W X 24"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 25.75"H] w24h24 and its seamless drop-in installation+ Product Details Size 30"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 75" width X 25. 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