10" x 10" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Return [Outer Dimensions: 26

[Outer Dimensions: 26

or luxury Victorian design

including the ability to mount without removing the thermostat when using the ring base

+ Product Details Size – 10" x 16" or 16" x 10" is the size for the duct opening measurement only

10" x 10" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Return [Outer Dimensions: 26+ Product Details Size 10" X 10" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will