6"W X 28"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 29.75"H] Grille you have 16 different varieties

you have 16 different varieties to choose from

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Installation Location – sidewall and ceiling

The design eliminates noise and prevents louvers from vibrating

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6"W X 28"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 29.75"H] Grille you have 16 different varieties+ Product Details Size 6"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 29. 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.