6"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 19.75"H] w6h6 box-shadow: 0 4px 8px rgba(0

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ensuring a sleek finish

+ Product Details Size - 4"w X 24"h is the size for the duct opening measurement only

ventilation

Traditional HVAC systems were designed for cold air

6"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 19.75"H] w6h6 box-shadow: 0 4px 8px rgba(0+ Product Details Size 6"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 19. 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.