22"W X 28"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 23.75"W X 29.75"H] flat stamped steel The first number in a

The first number in a grille size represents the width

75" width X 11

+ Product Details Size - 24"w X 6"h is the size for the duct opening measurement only

this flex duct decreases the pressure loss and provides a more hygienic environment

+ Product Details Size - 24"w X 28"h is the size for the duct opening measurement only

22"W X 28"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 23.75"W X 29.75"H] flat stamped steel The first number in a+ Product Details Size 22"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" width X 29. 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