28"W X 22"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 23.75"H] w8h8 actual front end outer dimensions

actual front end outer dimensions are 11

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much more than required 700 PSI for R410

+ Product Details Size - 20"w X 4"h is the size for the duct opening measurement only

28"W X 22"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 23.75"H] w8h8 actual front end outer dimensions+ Product Details Size 28"w X 22"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 75" width X 23. 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