40"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 41.75"W X 7.75"H] w10h10 actual front end outer dimensions

actual front end outer dimensions are approximately 26

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order a 14x20 grille

+ Product Description When it's time to upgrade your HVAC Vents in your house

And Meets/Beats ASTM B280 Standard

40"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 41.75"W X 7.75"H] w10h10 actual front end outer dimensions+ Product Details Size 40"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 41. 75" width X 7. 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 waxed.