12" X 6" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 13.75"W X 7.75"H] w10h10 with actual outer dimensions of

with actual outer dimensions of 22

Can be hooked up with our "Butterfly Dampers" for precise airflow control

actual front end outer dimensions are approximately 23

High Quality – Rigid aluminum construction with counter-sunk screw holes (screws included) and no sharp edges

Its generous size and universal design ensure a perfect fit for a wide range of thermostat models

12" X 6" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 13.75"W X 7.75"H] w10h10 with actual outer dimensions of+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are 13. 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