DZ series of energy-saving low-noise axial fan Technical Data: Wall DZ-11 type machine No. 2.2C Airflow 400 m3 / h Total pressure 29Pa speed 1450r/min Motor capacity 0.025KW noise 54dB job type DZ-12 type machine No. 2.2 C Airflow 400 m3 / h Press 2000 m3 29Pa speed 1450r/min Motor capacity 0.025KW noise 56dB pipeline DZ-13 type machine No. 2.5D air volume / h Total pressure 205Pa speed 2900r/min Motor capacity 0.37KW noise above 77dB One example is just all kinds of model parameters, detailed parameters of other models, please contact us!