Loud humming sound

I purchased two of these for my home. The reason I’m giving 3 stars is because they make too much noise. So they are great as long as you don’t want to be in the same room or you have music or tv to cover up the constant humming sound. I wouldn’t recommend these for anyone wanting to place them a quiet tranquil location just to loud. They do hold a lot of water so they will run for a long while. But, one of the reasons I wanted them was to put in the bedroom at night which I can’t do.

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