28"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 7.75"H] w16h16 + Product Details Size -

+ Product Details Size - 30"w X 16"h is the size for the duct opening measurement only

modern look and superior functionality

+ Product Spec Sheet Return Air Grille Spec Sheet

Just run your finger along the edge of the top plate and you will find a smooth finished surface

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28"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 7.75"H] w16h16 + Product Details Size -+ Product Details Size 28"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 75" width X 7. 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.