“How long does a filter last? How often does it need to be changed?”
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Hi there, this is Tia from Dyson. We recommend replacing your air purifier filter every 12 months. That's because over time, filters can get clogged with pollutants, and even let unpleasant odors back into the room. Thanks for your interest in Dyson technology! Best wishes, Tia Dyson Customer Support
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