Blueair Blue Signature Large Replacement Filter

Blue Signature™ Large Replacement Filter

Compatible with Blue Signature™ Large Air Purifier

4.4

Rated 4.4 out of 5 stars

42 Reviews

Use code FILTER15 for 15% off

Blue Signature™ Replacement Filter

This filter is only compatible with the Blue Signature™

Designed for easy replacements, ensuring hassle-free maintenance for continuous clean air
Crafted with durable materials for a long-lasting filter
Effectively captures allergens like dust, pollen, and pet dander

Alerts when you need a new filter
RealTrack Technology® filter monitoring
Double* the filter lifetime

Smart filtration, you can trust

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.
Accurate filter lifetime tracking

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

7 stages of filtration,
Advanced odour removal

HEPASilent filtration technology captures at least 99.97%² of tiny airborne pollutants down to 0.1 microns while OdourFence Technology captures common odour gases and breaks them down. It’s deep, effortless clean air you can feel, and smell, every day.

Ship free next day
30 day home trial
Authenticity guaranteed

4.4

Rated 4.4 out of 5 stars

Based on 42 reviews

79%would recommend this product

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42 reviews

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GL
Gayle L.
Verified Buyer
4 minutes ago
Rated 5 out of 5 stars
Stylish and functional
The Signature series is my favorite purifier. It does a wonderful job cleaning the air in my main living space.
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BS
Bradley S.
Verified Buyer
3 days ago
Rated 5 out of 5 stars
Great and quiet
Love them. We had the older ones and decided to upgrade - especially with how wild fires are happening all over.
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ER
Emil R.
Verified Buyer
1 week ago
Rated 5 out of 5 stars
Rad
It’s perfect. And easy to install
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MB
Mary B.
Verified Buyer
1 week ago
Rated 5 out of 5 stars
Blueair Air purifer
The unit seems to work efficiently. On days when our air quality is poor, the unit works hard.
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RD
Robert D.
Verified Buyer
2 weeks ago
Rated 5 out of 5 stars
Less dust!!
My table tops and wooden shades are noticeably less dusty the prior to my purchase of Blueair !!
Thank you Blueair!!
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² Tested on PM2.5 up to 90 minutes.

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