- If your device is connected on the app, you can simply click "Replace My Filter" > "Order Filter" and select "One Time Purchase" or "Sign up / Manage Filter Subscription" which will take you straight to the correct filter on blueair.com.
- If your device is not connected on the app, you can visit our filter page here https://www.blueair.com/us/air-purifier-filters and select 3 in 1 as the family and your model as the series.
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