“How long does the B4-Fresh Air Filter included with the BreatheSmart FLEX Air Purifier last?”

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• The B4-Fresh Air Filter included with the BreatheSmart FLEX Air Purifier has a lifespan of 9 to 12 months, depending on usage and conditions. Alen recommends replacing the filter every 9 to 12 months to maintain optimal air purification performance.

  This answer was generated by AI based on customer and product data.