This series of products for the floor-strong fans, it can emit polluted indoor air, moisture, smoke, apply to industrial and mining enterprises, warehouses, kitchens, hotels and other public places for summer cooling, ventilation, improve the environment. Feature: 1. Electrical cast shell, low-noise rolling bearing imports, with over-temperature protection, low temperature rise, low power consumption, insulation performance, long life operation. 2. Blade rational structure and shape luxury, easy to install, subject to stringent testing and electrical performance of the aerodynamic testing, air flow, and noise of small, stable and economic energy. 3. Three high, medium and low speed, shaking his head swaying bodies flexible, adjustable height, the net mask takes many forms, can be used to meet the needs of different users. modelsize(mm)flow(m3/h)rotate speed(v/min)voltage(v)power(w)noise(db)40"400901350220/3801205550"5001101420220/3801606265"6501381350220/3802307075"7501701350220/38026073Certification: CE ROHS CCC