Blueair Blue Signature Large Replacement Filter

Blueair Blue Signature Medium Replacement Filter

Blue Signature™ Medium Replacement Filter

Compatible with Blue Signature™ Medium Air Purifier

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

² Tested on PM2.5 up to 90 minutes.

Your cart

Blue Signature™ Medium Replacement Filter

Blue Signature™ Medium Replacement Filter

How to find your model

Accurate filter lifetime tracking

7 stages of filtration,
Advanced odour removal

Get fresh updates for fresher air

Your cart

Blue Signature™ Medium Replacement Filter

Blue Signature™ Medium Replacement Filter

Smart filtration, you can trust

How to find your model

Accurate filter lifetime tracking

7 stages of filtration, Advanced odour removal

Get fresh updates for fresher air

7 stages of filtration,
Advanced odour removal