10"W X 4"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.75"W X 5.75"H] Brown Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard duct openings

+ Product Details Size – 32"w X 36"h is the size for the duct opening measurement only

Works for every air conditioning & refrigeration application including ductless mini-split

actual front end outer dimensions are approximately 20 5/8" width X 32 5/8" height

actual front end outer dimensions are approximately 18 5/8" width X 26 5/8" height -

10"W X 4"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.75"W X 5.75"H] Brown Ideal for Walls & Ceilings:+ Product Details Size 10"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are 11. 75" width X 5. 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