Choosing the correct replacement filter for your Blueair Signature unit ensures it performs at its best. Here's how to determine the right filter for your device:

Purchase Filters for Blueair Signature here. 

Use the Built-In NFC Tag for Filter Matching
To make filter selection easier, each Blueair Signature unit includes a built-in NFC sticker:
Located inside the unit beneath the filter, the NFC tag can be scanned with a smartphone.
When scanned, it will automatically open a page with the correct replacement filters for your specific unit model. This removes all guesswork and ensures you get the filter your device is designed for.