10"W X 8"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.75"W X 9.75"H] w6h6 accordion-title:hover { background-color: #f0f0f0

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+ Product Details Size - 4"w X 22"h is the size for the duct opening measurement only

it ensures long-lasting performance in both residential and commercial settings

Experience enhanced indoor comfort with our 6" Butterfly Damper

Elevate your living space with this sophisticated addition

10"W X 8"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.75"W X 9.75"H] w6h6 accordion-title:hover { background-color: #f0f0f0+ Product Details Size 10"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are 11. 75" width X 9. 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