Duct Vent Cover. Air Supply HVAC Square Ceiling Diffuser with Opposing Blades Damper. 4 Way Extruded Aluminum Fixed Core. Low Noise. (12x12)

[Ideal Fit]: Designed for 12x12 duct hole (measure duct opening before purchase); 13.6" x 13.6" face. [ASHRAE Standards]: Ceiling vent cover meets HVAC performance standards for efficient airflow. [Lightweight Aluminum]: Made from AA6063 aluminum, ensuring corrosion resistance and lightweight durability to prevent loosening or falling. [4-Way Airflow]: Distributes air in four directions with opposing blades damper for precise control. [Filter-Free Design]: No filter for direct, efficient air circulation in ceiling HVAC systems. [Silent Operation]: Engineered for quiet performance, ideal for homes or offices. [Easy Installation]: Includes pre-drilled holes and 5/32" x 1 1/2" galvanized screws for secure ceiling mounting. [Decorative Finish]: Semi-matte electrostatic powder-coated finish resists scratches and blends with decor.