“How often does the filter need to be changed? Do you have any purifiers that don't require filter changes? Or where the filters can be washed and reused?”

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• Dyson days based on 12 hours a day use it will last 12 months so of you have it on all day it will last 6 Moths

  Answered by Adam 5 years ago

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• Hi there, this is Kelly with Dyson. The filter in the Dyson DP04 was designed to last about 4382 hours. If you were to run your unit 12 hours every single day, the filter would last about one year. Best wishes, Kelly Dyson Customer Support

  Answered by DysonProductExpert 5 years ago

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