36"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 27.75"H] w26h26 ensuring that you find the

ensuring that you find the perfect fit for your ventilation needs

And Meets/Beats ASTM B280 Standard

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+ Product Details Size – 2"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

36"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 27.75"H] w26h26 ensuring that you find the+ Product Details Size 36"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 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