Blueair 400 Series Smokestop Filter Kit
By: Blueair
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Similar in construction to the 402 Particle filter, but with an added carbon pad. Continues to provide a high standard of particle filtration, with the added benefits of carbon to assist with the removal of odors and gasses.

  • Includes 1 filter change.
  • Recommended filter change every 6 months
  • Replacement for: 401, 402, 403, 450E