Fresh air you can feel and smell

7 stages of filtration capture tiny airborne pollutants while OdorFence™ Technology helps break down common odors.

Easy to replace. Easy to remember.

Simple filter changes and RealTrack™ monitoring take the guesswork out of keeping your purifier performing its best.

Filtre de remplacement Blue Signature ™

Keep Blue Signature™ performing at its best with long-lasting 7-stage filtration designed to tackle particles, allergens & household odors.

4.3

Rated 4.3 out of 5 stars

4.3 Stars (3 Reviews)

Designed for

Blue Signature™ Medium

Great for

Everyday clean air, allergy season, smoky days

Filtre de remplacement Blue Signature ™

$99.99

Abonnement du filtre de remplacement Blue Signature ™

$0.00

Size: Medium

Filter Subscription

1 Replacement Filter
Delivered Every 12 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 keeps clean air simple and takes the guesswork out of replacement.

Helps capture dust, pollen & pet dander
Tackles everyday household odors
Lasts longer for fewer filter changes
Tracks filter life based on how you actually use your purifier
Alerts you when it’s time for a replacement
Designed for a quick, hassle-free swap

Up to 1-year filter lifetime
Accurate filter lifetime tracking
App replacement alerts
Quick & easy filter changes

Features & Technologies

Ce filtre n'est compatible qu'avec le Blue Signature ™

Conçu pour des remplacements faciles, assurer une entretien sans tracas pour un air pur continu
Fabriqué avec des matériaux durables pour un filtre durable
Capture efficacement des allergènes comme la poussière, le pollen et les squames d'animaux

Fresh air you can feel and smell

7 stages of filtration capture tiny airborne pollutants while OdorFence™ Technology helps break down common odors.

Easy to replace. Easy to remember.

Simple filter changes and RealTrack™ monitoring take the guesswork out of keeping your purifier performing its best.

Filtration intelligente, vous pouvez faire confiance

How to find your model

Unlock your phone & tap & hold it to the sticker on the cage of your device. It automatically direct you to the compatible filter.
Smart filtration, you can trust

Blueair’s proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.
Abonnez-vous et économisez 15%

Les filtres sales nettoient l'air moins efficacement. Inscrivez-vous à un abonnement à filtre et obtenez des filtres frais livrés juste au moment où vous en avez besoin.

7 stages of superior filtration and smart VOC sensing for 10x³ more odor removal

Smart VOC sensing continuously detects airborne gases and chemical pollutants in real time. HEPASilent filtration technology captures at least 99.97%² of tiny airborne pollutants down to 0.1 microns, such as fine particles, dust mite allergen, pollen, bacteria, virus and mold allergen⁴ OdorFence captures common odor gases and breaks them down. It’s deep, effortless clean air you can feel, and smell, every day.

FAQ

How often do I need to change the filter?

Your filter will last up to 1 year thanks to our unique patent-pending design & proprietary RealTrack algorithm that accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.

When it's time to replace the filter, the filter replacement LED on the interface will turn red to remind you. Alternatively, connect to the Blueair app to receive an alert and easily re-order at the touch of a button.

What are the noise levels?

What room size is best?

² testés sur PM2,5 jusqu'à 90 minutes.

Votre panier

Filtre de remplacement Blue Signature ™

How to find your model

Smart filtration, you can trust

Abonnez-vous et économisez 15%

7 stages of superior filtration and smart VOC sensing for 10x³ more odor removal

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