Here are the following things you can do to improve the airflow of your unit:

1. Make sure the filters are removed from their packaging and properly in place.
2. Press the Control Button to increase fan speed.
3. Leave at least 15 inches / 38 cm of clearance on all sides of the air purifier.
4. The Pre-Filters may be clogged by large particles, such as hair or lint, blocking airflow. Clean the Pre-Filters.