12"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 35.75"H] 18" Diameter And is classified as Class

And is classified as Class 1 Fire Proof - B1

this grille boasts a natural warmth and fine finish

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each available in a variety of high-quality materials like brushed nickel

12"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 35.75"H] 18" Diameter And is classified as Class+ Product Details Size 12"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 35. 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