12"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 27.75"H] Fixed Blades with Damper + Product Details Size -

+ Product Details Size - 24"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 30"h is the size for the duct opening measurement only

High Quality Copper Coil Meets/Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 - 99

+ Product Details Size – 12" x 12" is the size for the duct opening measurement only

+ Product Description Maximize the efficiency of your ventilation system with our top-of-the-line HVAC grilles and registers

12"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 27.75"H] Fixed Blades with Damper + Product Details Size -+ Product Details Size 12"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 27. 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