High reliability, suit for used in various industrial environments; 
Stepless speed regulation functions, you can upgrade product quality, and needn't  increase costs; 

Digital control interface, flexible stand-alone or networked control method; 
Can fit out metallic pieces or water level detectors, to ensure pump safe operation;
N-hour automatic cleaning and drainage functions, keep the evaporative air coolers blow  fresh and cool air; 
Various optional features, increase products value; 
Large-screen liquid crystal display panels, all information been displayed on it; 
Human interface, operation is simple and convenient; 
High protective control box, can be installed directly in the internal or external of air coolers