This is my 2nd purchase of the exact same unit. The 1st ran almost 24 hours a day for 10 years. Then 1 foot flood water For 12 hours got to it. After drying it, it still worked ! My reason for discontinuing to use ot stemmed from my mold allergy. This unit is a.work horse ! It is on 20 - 24 hours a day. Nice white noise too !
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