Filters

Filters FAQ

How do I reset the red light (filter light indicator) on my Sense+ purifier? + -

Which filters do I need for my Protect purifier? + -

You should first confirm the air purifier model name to find which filters are compatible with your unit.

The Serial Number and the MAC address appear on two different labels underneath the device.

If your air purifier is connected to the Blueair app you can additionally view the MAC address by selecting air purifier name and navigating to Product Settings › Product Information.

Once you know your model number, you can go to https://www.blueair.com/us/air-purifier-filters. Scroll down and select the model you have. All compatible filters and pre-filters will then be displayed. You can then click and order your filter as needed.

Protect SmartFilter subscription questions + -

Why have I not received my SmartFilter replacement?

In order to have an active SmartFilter subscription, the unit must be registered and SmartFilter subscription purchased through the app.
SmartFilter replacement filter shipments require a signal from the Air Purifier to trigger the replacement shipment. If you have purchased a subscription on the Blueair website but have not registered your unit and connected in the app the Air Purifier cannot send the trigger for the replacement filter shipment.

How do I Setup my SmartFilter Subscription?

In order to have an active SmartFilter subscription, the unit must be registered and SmartFilter subscription purchased through the app.
SmartFilter replacement filter shipments require a signal from the Air Purifier to trigger the replacement shipment. If you have purchased a subscription on the Blueair website but have not registered your unit and connected in the app the Air Purifier cannot send the trigger for the replacement filter shipment.

How often should I replace the SmartFilter?

The air purifier accurately indicates when the filter needs to be changed. The filter lifetime is calculated with a smart algorithm (patent-pending) and based on the particle levels in the room and the airflow during the time the filter has been used. The filter lifetime status can also be monitored in the Blueair app. You should expect a filter lifetime of maximum 1 year.

Which filters do I need for my Pro purifier? + -

To confirm the air purifier model name or to find out which filters are compatible with your unit, check the product label located at the bottom of the air purifier.

Once you know your model number, you can go to https://www.blueair.com/us/air-purifier-filters. Scroll down and select the model you have. All compatible filters and pre-filters will then be displayed. You can then click and order your filter as needed.

How do I reset the red light (filter light indicator) on my Pro purifier? + -

Filter replacement

How do I reset the red light (filter light indicator) on my Sense+ purifier? + -

Which filters do I need for my Protect purifier? + -

Protect SmartFilter subscription questions + -

Why have I not received my SmartFilter replacement?

In order to have an active SmartFilter subscription, the unit must be registered and SmartFilter subscription purchased through the app.
SmartFilter replacement filter shipments require a signal from the Air Purifier to trigger the replacement shipment. If you have purchased a subscription on the Blueair website but have not registered your unit and connected in the app the Air Purifier cannot send the trigger for the replacement filter shipment.

How do I Setup my SmartFilter Subscription?

In order to have an active SmartFilter subscription, the unit must be registered and SmartFilter subscription purchased through the app.
SmartFilter replacement filter shipments require a signal from the Air Purifier to trigger the replacement shipment. If you have purchased a subscription on the Blueair website but have not registered your unit and connected in the app the Air Purifier cannot send the trigger for the replacement filter shipment.