DF Serie powerful electric fan

DF Serie powerful electric fan Description

Stand Type (750、650、600、500) Characteristic: 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。