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You should check filter every 3 months to see if it needs replacing. Idk about smokers but it helps with dust
Sorry, there was a problem. Please try again later.Thank you for your question. This Hamilton Beach Air Purifier will capture particulates from pet dander, dust, dust mite debris, pollen and mold/mildew spores. The Permanent filter never needs replacing and saves up to $49 a year versus a comparable filter.
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