16"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 21.75"H] Supply Grille + Product Description Upgrade your

+ Product Description Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

5/8” - 2579 PSI

4" X 12" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

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16"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 21.75"H] Supply Grille + Product Description Upgrade your+ Product Details Size 16"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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