The supporting fan of the unit adopts the domestic advanced KF (or TDKF) type air conditioner special double inlet air centrifugal fan, which has the characteristics of high efficiency, low noise and wide head range, and can meet the low pressure head cooling system, medium pressure head constant temperature system and high pressure head. The purification system is needed. The heat exchanger (cooler and heater) of the unit is copper tube string aluminum sheet double flange, mechanical expansion tube, good steel property, high heat exchange efficiency, small wind resistance and water resistance, and can be used both cold and hot.

The filter section of the unit is made of polyester non-woven bag filter, which has the advantages of high filtration efficiency, low resistance, detachable, easy to rinse and filter material changeable. There are two kinds of steam (or hot water) heating and electric heating in the heating section of the unit. There are also two types of dry steam and electric humidification in the humidification section. The design institute and users can choose according to the actual situation. In order to meet the requirements of different occasions, different uses and special performances, the company can design and manufacture according to non-standard sizes.