What is the maximum runtime of the humidifier?
The humidifier can run for up to 70 hours. Runtime is based on setting the mist level on the low setting. Based on the natural humidity level in your home, the temperature of water you use, and the mist-level setting, you may experience longer or shorter run times.
From the official Homedics Uhe-Cmtf91 Humidifier manual, page 11
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