14"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 7.75"H] Supply Grille + Product Details Size -

+ Product Details Size - 30"w X 18"h is the size for the duct opening measurement only

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

The premium plated finish and modern design make it a luxurious and impressive addition to your home decor

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rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included)

14"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 7.75"H] Supply Grille + Product Details Size -+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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.