Smart filtration, you can trust
-
Is this the right filter for you?
-
Accurate filter lifetime tracking
-
Subscribe & Save 15%


This website uses cookies to improve your experience. By continuing to use our website you are consenting to our cookie policy.
$54.99
$54.99
Find the Blueair model name on the label inside your air purifier.
Blueair’s proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.
Dirty filters clean the air less efficiently. Sign up for a filter subscription and get fresh filters delivered right when you need them.
Main Filter
Captures airborne particles including, PM 2.5, pollen, dust mite matter allergen & pet dander allergen
Activated Carbon
Traps light household odors from smoke, cooking odors and more
This filter is compatible with the following Protect family models: 5410i, 5440i.
Depending on usage, your filter will last up to 9 months.
It’s important to change your filter when needed because dirty filters clean the air less efficiently, reducing the purifier's ability to capture pollutants and affecting overall air quality in your space.
A filter change indicator light that will alert you when it's time to replace the filter. You can also check the status via the Blueair app for models with smart capabilities.