Ceiling diffuser DOR-Q is a square ventilation diffuser designed for precise air supply and exhaust in modern HVAC systems. It provides directional airflow with low noise levels, ensuring balanced indoor comfort. The diffuser is made of galvanized steel and finished with a durable powder coating for corrosion resistance and long service life. Suitable for installation in suspended or plasterboard ceilings in rooms with a height of 2.6 to 4 meters. Ideal for offices, conference rooms, retail spaces, and public buildings. Compatible with plenum boxes and airflow control dampers.