Fresh filter, cleaner-feeling home

Captures everyday airborne dust, pollen and pet dander while activated carbon helps tackle light household odors.

Know when it’s time for a fresh filter

RealTrack™ uses fan speed, usage and pollution levels to calculate remaining filter life, so replacement timing is based on how you actually use your purifier.

3.8

Rated 3.8 out of 5 stars

3.8 Stars (26 Reviews)

DustMagnet™ ComboFilter 5400

Keep your DustMagnet™ performing at its best with particle and odor filtration made for cleaner, fresher everyday air.

Designed for

DustMagnet™ 5410i & 5440i

Great for

Dusty homes, pet households, everyday allergens

Filter Subscription

1 Replacement Filter
Delivered Every 9 Months
Pay when we send it
Save 15% on recurring filter replacements

Most Popular

Free & fast shipping
30 day home trial
Free extended warranty

Why you’ll love it

Long-lasting filtration that makes keeping your DustMagnet™ fresh and performing its best simple.

Helps capture dust, pollen & pet dander
Helps reduce cooking, smoke & household odors
Lasts up to 9 months
Sends an app alert when it’s time to replace
Designed for quick, easy filter changes

Up to 9 months filter lifetime
Accurate filter lifetime tracking
App replacement alerts
Quick & easy filter changes

Features & Technologies

Main filter captures dust, pollen, PM2.5 and pet dander.
Activated carbon traps light household odors.
App filter alerts remind you when it’s time to replace.
Up to 9-month filter life means fewer replacements.
Easy replacement design keeps upkeep simple.

Fresh filter, cleaner-feeling home

Captures everyday airborne dust, pollen and pet dander while activated carbon helps tackle light household odors.

Know when it’s time for a fresh filter

RealTrack™ uses fan speed, usage and pollution levels to calculate remaining filter life, so replacement timing is based on how you actually use your purifier.

Smart filtration, you can trust

Is this the right filter for you?

Find the Blueair model name on the label inside your air purifier.
Accurate filter lifetime tracking

Blueair’s proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.
Subscribe & Save 15%

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

FAQ

What Blueair models are compatible with this filter?

This filter is compatible with the following Protect family models: 5410i, 5440i.

How often should I replace my Blueair air purifier filter?

How do I know when it’s time to change my filter?

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