220V AC Cooling Fan suction fan and features

"220V AC Cooling Fan" suction fan is the use of air convection cooling principle of negative pressure ventilation, the installation locations of the door or window --- Natural inhale fresh air, indoor outdoor hot gases quickly forced out, any ventilation bad problems can improve ventilation cooling effect of up to 90% -97%. Machine using CAD / CAM design, with low investment costs, air volume, low noise, low energy consumption, stable operation, long life, high efficiency, automatic blinds closed from dust, water, beautiful; to hair, modern plant cooling ventilation is the best choice, but also ventilation. Environmental protection, energy-saving suction fan, cooling wet Lim will become the ventilation and cooling equipment market mainstream.