Negative Positive
Title: Seems like a great filter but too costly and not sure it works
Review: Beware that the cost of the refill filter is $50.00. You could buy another filter for that. I bough 3 of these filters after developing severe sensitivity to pollen and mold and had it in a room at work that turned out to have toxic mold in the air. I had the filter running at slot to high 24 HRS a day and I don't think it killed any mold. I developed a severe allergic reaction to the mold even with the filter running all the time. Then I found out that it costs 50 dollars to get a new filter at a discount place. I am throwing the filter out and keeping my old ones that I think work better.
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