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How do I change the filter on a Classic 400 air purifier?

Please follow the instructions on your filter.
If the instructions are not clear, please ensure the following:

  • Particle filter: When you install your filter, the metallic side should be to your right side. The air should first go through the metallic side of the filter.
  • Carbon filter: When you install your filter, the carbon side (black side) should be to your right side. The air should first go through the carbon side of the filter.

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