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Title: Useless
Review: I installed it before winter came this year, now after 3 month of use during winter, I can say this one does not make any difference. I have a humidify meter at home, before Dec. it shows over 35, starting from Dec, I kept the humidifier running 24 hours a day, the humidity level is below 20 all the time, now I stop using it and bought a regular humidifier used in my bedroom. What a waste a time and effort to install this, it took me and my husband a couple of hours and a trip to Homedepot.
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