Ducted type Applicable to schools, factories, supermarkets, shopping centers, entertainment lieu, luxury residences and so on. Which came with great features. High static pressure heads making distant air supply realized, convenient for installation, adopting multi-blade pitch centrifugal fan, energy saving and low noise, High efficiency, low noise centrifugal fan motor, with sound-absorbing and heat preservation material makes low noise operation realized, Indoor unit can be ceiling-mounted, reducing noise to the lowest level, Intelligent control, easy operation.