Direct evaporative humidifier, evaporator core is the greatest impact on performance parts.

对于直接蒸发式加湿器，蒸发芯(器)是对性能影响最大的部件。

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Excellent water quality of the ultrasonic humidifier and direct evaporative humidifier of life and will have a significant impact on performance, some features humidifier with softened water.

水质过硬对超声波式加湿器和直接蒸发式加湿器的使用寿命及性能都会有很大影响，所以有些加湿器带有软化水功能。

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