14"W X 36"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 37.75"H] Color_Red Oak Wood 75" width X 17

75" width X 17

And Meets/Beats ASTM B280 Standard

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represents the width

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14"W X 36"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 37.75"H] Color_Red Oak Wood 75" width X 17+ Product Details Size 14"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 37. 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