Blue Pure 411 Replacement Filter compatible with Blueair Blue Pure 411, 411+ and MINI Air Purifier, Particle + Activated… Price: $24.99 (as of 04/08/2023 20:47 PST- Details)

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411 particle and carbon filter replacements compatible with blueair blue pure 411, 411+, and MINI air purifiers
Ideal for people who has allergies to dust, pollen, pet hair and dander