The Blue 411 Auto, 311 Auto and 211+ Auto air purifiers have integrated particle sensors to detect and indicate the particles levels in the room
In Auto Mode, the air purifier is always running at the perfect speed needed to maintain the purity of the air:
- Automatically adjusts the airflow according to PM2.5 levels
- Allows efficient speed operation, the fan increases progressively to the right speed based on the PM2.5 readings and slows down when the air is clean again.
