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When you sign up for the auto-ship filter subscription service, any Protect models that are enrolled in the Blueair app will be automatically signed up for the auto-ship filter service.
The Blueair auto-ship service will automatically know exactly which model of Blueair unit you currently own. So when it is time to replace your filter, your unit will send us all the information to know exactly which filter you need and send it to you at the appropriate time (based on our algorithm) to keep you breathing clean air.
Blueair recommends a filter change every six months. The light on your filter timer will indicate when it is time to replace your filter after six months of continual use.
If you use your unit in a highly polluted environment, you need to change it more often. To ensure the unit’s high-quality performance, we recommend that you only use genuine Blueair filters.