This Optimus U-31002 cool mist ultrasonic humidifier features a 1.1-gal. tank capacity and runs up to 18 hours per filling to help keep your space comfortable. Adjustable mist-volume and humidistat humidity controls offer customizable operation. The whisper quiet operations ensure your sleep won’t be disturbed.
- Water empty automatic shut off switch
- Removable tank with handle for easy filling
- Refill light indicator
- Delivers clean, filtered mist to help ensure a healthy environment
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