6"W X 6"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 7.75"W X 7.75"H] w28h28 + Product Details Size -

+ Product Details Size - 6"w X 20"h is the size for the duct opening measurement only

The vent also has a bug screen to eliminate pest intrusion

Design – Rigid gauge ABS plastic

+ Product Details Size - 26"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 32"h is the size for the duct opening measurement only

6"W X 6"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 7.75"W X 7.75"H] w28h28 + Product Details Size -+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are 7. 75" width X 7. 75" height. Design Individually adjusting curved blades for better air flow control. 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 luxurious touch to any home. Carefully