34"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 35.75"W X 26.75"H) Flexible Ducts Installation requires cutting into the

Installation requires cutting into the frame of your wall and the metal duct where your HVAC system is located

this guard is designed to provide maximum protection against tampering while maintaining a clean and professional appearance

with actual outer dimensions of 8

These grilles and registers give you an extra measure of quality that are

+ Product Details Size - 20"w X 30"h is the size for the duct opening measurement only

34"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 35.75"W X 26.75"H) Flexible Ducts Installation requires cutting into the+ Product Details Size 34"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 35. 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