36"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 19.75"H] Aluminum - Cube Core you have 16 different varieties

you have 16 different varieties to choose from

+ Product Description When it's time to upgrade your HVAC Vents in your house

This grille is ideal for both sidewall and ceiling installations

+ Product Details Size – 14"w X 4"h is the size for the duct opening measurement only

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36"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 19.75"H] Aluminum - Cube Core you have 16 different varieties+ Product Details Size 36"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 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