“What's the maximum lifespan of the Replacement 7400 SmartFilter?”
This question was generated by AI based on customer and product data.
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The maximum lifespan of the Replacement 7400 SmartFilter is approximately one year, depending on the room conditions and usage. The air purifier or the Blueair app will alert you when it's time to replace the filter.
This answer was generated by AI based on customer and product data.