“How many fan speeds does the BreatheSmart 45i have, and how does it adjust its fan speed?”

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• The Alen BreatheSmart 45i air purifier has four fan speeds. It automatically adjusts its fan speed based on the level of airborne particles detected by its laser sensor technology. This feature ensures optimal air purification performance by increasing the fan speed when more particles are present and decreasing it when the air quality improves.

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