28"W X 14"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 15.75"H] w8h8 you can watch this informative

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

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Pre-flared ends with nuts are for simple and easy installation

+ Product Details Size - 25"w X 25"h is the size for the duct opening measurement only

28"W X 14"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 15.75"H] w8h8 you can watch this informative+ Product Details Size 28"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 75" width X 15. 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