- Press down the button until the red light(s) disappears (Usually takes 7-10 seconds and may take up to 30 seconds depending on the model).
- In some of the Blue models, the filter light turns yellow after 5 months of continual use. This indicates that it will be time for your filter change in one month and it is time to order a new filter Press down the control button until the yellow light disappears (Usually takes 7-10 seconds and may take up to 30 seconds depending on the model).
Please refer to the user manual of your device for any specific user instructions.
To ensure the unit’s high-quality performance, we recommend that you only use genuine Blueair filters.