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

26 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 26 reviews

Total 5 star reviews: 20 Total 4 star reviews: 0 Total 3 star reviews: 4 Total 2 star reviews: 0 Total 1 star reviews: 2

77%would recommend this product

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26 reviews

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MM
Marc M.
Verified Buyer
9 minutes ago
Rated 5 out of 5 stars
Blue air signature large replacement filter
Absolutely brilliant machine
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RP
Roger P.
Verified Buyer
16 hours ago
Rated 5 out of 5 stars
Owner
My Blueair is excellent, scrubbed my house during the Canadian wildfires with ease.
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AK
Alan K.
Verified Buyer
1 week ago
Rated 5 out of 5 stars
Blue Signature™ Replacement Filter
Works great
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FH
FRANCES H.
Verified Buyer
1 week ago
Rated 5 out of 5 stars
Blueair
Excellent product!! Highly recommend!
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GG
Gary G.
Verified Buyer
3 weeks ago
Rated 5 out of 5 stars
Elegant Air Cleaning
The Blue Signature offers quiet and efficient air cleaning in a stylish format. Its simple controls and easy operation are ideal for maintaining high air quality in the home environment.
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² Tested on PM2.5 up to 90 minutes.

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