18"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 19.75"W X 13.75"H] Insulated Line Set preventDefault() Product Details Perfect Fit LO612 Compatible With Duct 12in

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actual front end outer dimensions are approximately 37

The premium plated finish and modern design make it a luxurious and impressive addition to your home decor

875" width X 11

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

18"W X 12"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 19.75"W X 13.75"H] Insulated Line Set preventDefault() Product Details Perfect Fit LO612 Compatible With Duct 12in preventDefault() actual front end outer dimensions are approximately 37