“How often should the Blueair 311i Max Filter be replaced?”

1-1 of 1 Answer

• The Blueair 311i Max Filter should be replaced every 9 months. The filter's lifetime is calculated based on actual usage and pollution levels by the proprietary RealTrack algorithm. The algorithm notifies the user when the filter needs to be replaced within a 9-month period.

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