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) Grilles + Product Details Size &

+ Product Details Size & Compatibilty - The 12" to 8" round metal pipe reducer & increaser 30 gauge is compatible with duct 12" to 8"

actual front end outer dimensions are approximately 38 5/8" width X 36 5/8" height

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actual front end outer dimensions are approximately 26 5/8" width X 8 5/8" height -

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) Grilles + Product Details Size &+ 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