18"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 19.75"W X 35.75"H] w32h32 you can attain the diameter

you can attain the diameter of the vent

Measure the size of the air duct/drywall opening

Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

With a 6" diameter for the duct opening measurement

18"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 19.75"W X 35.75"H] w32h32 you can attain the diameter+ Product Details Size 18"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" width X 35. 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