Ceiling diffuser DPQ is a square swirl-type diffuser designed for efficient air supply and exhaust in ventilation systems. Its square face with radial slots creates a swirl airflow pattern, ensuring rapid and uniform air mixing with minimal noise. Made from powder-coated galvanized steel, the DPQ diffuser is corrosion-resistant and built for long-term performance. Suitable for installation in suspended or plasterboard ceilings and optimal for room heights between 2.6 and 4 meters. Ideal for commercial buildings, offices, and public spaces. Compatible with plenum boxes and air volume control accessories.