24"W X 8"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 25.75"W X 9.75"H] Round Damper Ring Overall Size: MEASURE the size

Overall Size: MEASURE the size of the DUCT OPENING

+ Product Details Size – 16"w X 18"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 6" X 6" duct openings

+ Product Details Size - 30"w X 18"h is the size for the duct opening measurement only

+ Product Details Size – 10"w X 10"h is the size for the duct opening measurement only

24"W X 8"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 25.75"W X 9.75"H] Round Damper Ring Overall Size: MEASURE the size+ Product Details Size 24"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are 25. 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