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Title: keeps the level right
Review: In a big room this jem kept my humidity level just right. I have forced air heat which really dries out the air to the point of nose bleeds but this jewel took care of that. During the coldest days of winter it put out 4 1/2 gallons of vapor per day that kept the humidity level at 50%. The duel tanks made it nice to fill too. Make sure you get the tank aids too, they keep the tanks from getting that slimy stuff inside. I am more than pleased with this humidifier.
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