36"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 37.75"W X 26.75"H) Compatible With Duct 10in 75" width X 3

75" width X 3

+ Product Details Size & Compatibility – The size of the side round ceiling box is 10" X 10" X 7" and it is compatible with duct 7"

+ Product Details Size – Duct end cap is 12" X 10" | 26-gauge galvanized steel end cap

+ Product Details Size - 8"w X 36"h X 2"d (for duct opening measurement only)

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36"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 37.75"W X 26.75"H) Compatible With Duct 10in 75" width X 3+ Product Details Size 36"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 75" width X 26. 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