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Title: wouldn't buy another
Review: The air cleaning ability of this machine is minimal and only good for airborn large dust particles. Does not clear smoke for example. Because of its design (intake/outflow) it makes a better fan or white noise machine than any kind of air cleaner. I'm no engineer but I think If the intake/outake areas were reversed it would be a bit more efficent. This machine does not move the air around even in the immediate area around it.
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