12"W X 12"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 13.6"W X 13.6"H] Round Damper Ring Installation is hassle-free 4 X 12 Is CRFG2028 Width_14in

Installation is hassle-free

2" X 10" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

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+ Product Details Size – 25"w X 6"h is the size for the duct opening measurement only

This versatile diffuser is available in 1-way

12"W X 12"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 13.6"W X 13.6"H] Round Damper Ring Installation is hassle free 4 X 12 Is CRFG2028 Width_14in Installation is hassle free 2" X 10" Brass Victorian Floor Register Grille Modern Contempo Decorative Grate HVAC Vent Duct Cover Brass Plated