Humidifier, high purity humidity, equipment & and cool humidity humidity, thus reducing pollutants in the air. Keep you away from allergies, cough, dry skin, etc. Humidifier uses filter to realize pure humidification of dry air, which is very suitable for pet hair, dust, large particles and other impurities as small as 0.02 micron. The filter function ensures that the humidified space is fresh and healthy, which is especially useful for babies. Generally speaking, you will be very satisfied