Blue Signature - Large ring Base in Chrome heating HEPASilent™ dual filtration technology delivers

HEPASilent™ dual filtration technology delivers more clean air faster and uses less noise and energy than HEPA filtration alone

The textile pre-filter can be washed at 30 °C on a cold wash delicate cycle

The side brush uses an angled rubber strip that guides hair downward rather than letting it wrap around the brush

the flow rate is slightly lower than the standard refill — a little more suction is normal

Air quality indicator

Blue Signature - Large ring Base in Chrome heating HEPASilent™ dual filtration technology deliversLarge Ring base. Clicks in securely with gentle pressure. Only compatible with the Blueair Signature. Style it your way.