Ceiling diffuser DEV-Q is a square ventilation diffuser designed for efficient air supply and exhaust in modern HVAC systems. It ensures quiet and balanced airflow distribution, supporting optimal thermal comfort in various indoor environments. Constructed from galvanized steel with a durable powder-coated finish, the DEV-Q offers excellent corrosion resistance and a clean appearance. It is suitable for installation in suspended or plasterboard ceilings and ideal for rooms with ceiling heights between 2.6 and 4 meters. Perfect for use in offices, commercial buildings, schools, and public facilities. Compatible with plenum boxes and air volume control dampers.