26"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 27.75"W X 19.75"H] sidewall ensuring it arrives in perfect

ensuring it arrives in perfect condition

expanding or retracting the gap to meet your precise needs

and extends HVAC system life

+ Product Details Size - 36"w X 36"h is the size for the duct opening measurement only

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26"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 27.75"W X 19.75"H] sidewall ensuring it arrives in perfect+ Product Details Size 26"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 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