Bettered impeller structure, low weight , large air volume;

The motor has a long service life and low noise;

Three-step speed regulation, sparse/close , two/three blades;

Suitable for heat-stroke prevention and cooling-down temperature in mineral , warehouse ect, it can ventilate and environment-improvement;

20", 24", 26" , 30" total 4 models;

Air volume: 7800-18000m3/h.