How long can the humidifier run continuously?
The humidifier can run up to 70 hours, with runtime based on setting the mist level on the low setting. Actual runtime may be longer or shorter depending on the natural humidity level in your home, the temperature of water used, and the mist-level setting. (Page 11)
From the official Homedics Uhe-Cmtf91 Humidifier manual, page 11
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