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Dual function: Warm and Cool mist
ION exchange filter
Humidity output: 400cc/hour
Designed for rooms up to 500 sq. ft
Split nozzles: 360° adjustable direction
4.0L water tank capacity
Effectively relieve dry nose, throat lips and itchy skin with the virtually silent Dual Mist Humidifier with ION exchange filter. Will help you breathe easier and sleep more comfortably. This ultrasonic humidifier disperses warm or cool mist. A split nozzle for bi-directional mist for wider coverage. Sleek design with easy to use control knobs. Large, transparent blue water tank with easy-carrying handle. ION exchange filter demineralizes and treats water to remove scale-forming calcium and magnesium from hard water. This prolongs the life of the ultrasonic generator and prevents white dust particles to deposit into the air.
The easiest way to check if the warm mist function is working or not: after the unit runs for 10 mins, turn the power off, lift the water tank and feel the water in the reservoir. The water temperature should be around 100-110 when the ambient temperature is 65 degrees. It varies depending on ambient room temperature. The fan inside the humidifier makes a humming noise when it's functioning.
For the first time use, please allow 5-10 minutes for water going through the filter and filling up the water reservoir after placing the water tank in position. The red light should turn off and the humidifier starts to run.
SPT SU-4010 Ultrasonic Dual-Mist Warm/Cool Humidifier with Ion Exchange Filter - Blue - B000O3I2CG