12"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 21.75"H] sidewall our grill boasts an impressive

our grill boasts an impressive 96% airflow capacity

5" - SEE BELOW IN DESCRIPTION How To Measure A Grille

+ Product Details Size - 12"w X 14"h is the size for the duct opening measurement only

+Why Hvac Premium HVAC Premium has been providing superior quality service for many years

they seamlessly integrate into your space

12"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 21.75"H] sidewall our grill boasts an impressive+ Product Details Size 12"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 21. 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