30"W X 4"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 5.75"H] w20h20 Each grille is securely shrink-wrapped

Each grille is securely shrink-wrapped with a cardboard backing to prevent damage during shipment

designed for both sidewall and ceiling installations

+ Product Details Size – 10" x 20" or 20" x 10" is the size for the duct opening measurement only

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30"W X 4"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 5.75"H] w20h20 Each grille is securely shrink-wrapped+ Product Details Size 30"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 75" width X 5. 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 waxed.