14"W X 10"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 15.75"W X 11.75"H] 1-Way this diffuser is the perfect

this diffuser is the perfect blend of function and style for your home

75"H – fits a 20" X 18" duct opening

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ensuring consistent and efficient air distribution throughout your space

+ Product Details Size – 4"w X 12"h is the size for the duct opening measurement only

14"W X 10"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 15.75"W X 11.75"H] 1-Way this diffuser is the perfect+ Product Details Size 14"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are 15. 75" width X 11. 75" height. Design Individually adjusting curved blades. Multi shutter damper with handle operator to adjust air flow. Screws Included High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds a