6" X 6" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 7.75"W X 7.75"H] Fixed Blades Universal Fit – Measures 6"

Universal Fit – Measures 6" wide x 3-1-13/16" high x 3-1/8" deep

+Why Hvac Premium HVAC Premium has been providing superior quality service for many years

actual front end outer dimensions are approximately 16 5/8" width X 8 5/8" height

High quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

The design eliminates noise and prevents louvers from vibrating

6" X 6" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 7.75"W X 7.75"H] Fixed Blades Universal Fit – Measures 6"+ 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. 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