12" x 12" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover w32h32 + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 10" duct opening (measured at the opening)

professional look

and keep the cold air out during the Winter Months

The ring base allows installation without removing the thermostat

12" x 12" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover w32h32 + Product Details Perfect Fit+ Product Details Size 12" X 12" 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