"AC Fan" If users want better ensure that each component can play a good fan assisted ventilation effect, we also need a certain amount of installation specifications and use of skills in the installation and use, the blower can be a two-pronged effect obviously it is shown. Inverter means not only can improve energy utilization, but also on the basis of energy, so the effect of adjusting the amount of wind, so since the fan effect will be greatly increased, and this is the place for users who very meaningful.