28"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 29.75"W X 26.75"H) Blade Hinges on the top and

Hinges on the top and bottom

Height vs Width: The first number in a floor register size

+ Product Details Size – 20" x 30" or 30" x 20" is the size for the duct opening measurement only

lightweight aluminum

Actual Filter Size – 33 3/4"w x 7 3/4" x 1"

28"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 29.75"W X 26.75"H) Blade Hinges on the top and+ Product Details Size 28"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 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