Blueair Blue Pure 121 Particle Carbon Filter

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  • Designed to fit Blueair Blue Pure 121 Air Purifiers.
  • The combination particle + carbon filter removes annoying household odors, chemicals, and gases, as well as 99.97% of airborne particles, like pollen, dust, viruses, and more with Blueair’s HEPASilent™ filtration technology.
  • The filter structure traps even the smallest particles and resists clogging to maintain maximum airflow.
  • To maintain optimum performance, we recommend changing your filter about once every 6-months when used 24 hours a day.