Meet Blueair Blue Signature™ – the next generation of clean air innovation, Engineered to perform, designed to Impress. This powerful air purifier combines advanced 7-stage filtration with patented HEPASilent™ and OdorFence™ technologies to remove 99.97% of airborne particles down to 0.1 microns. Using BIO-based enzymes and minerals, it breaks down gases and odors at the molecular level—delivering up to 10X better odor removal than standard carbon filters. Engineered with Surround Boost™ airflow, Blue Signature™ doubles purification efficiency while maintaining a compact, Swedish-inspired design that also functions as a stylish side table. A motion-activated dot matrix display comes to life as you approach, providing glanceable air quality insights with real-time animations. Personalize your experience with multiple optional accessories. Easily control settings, track air quality trends, and schedule cleanings via the connected app. Night Mode and Auto Mode ensure clean air without the noise or hassle, while the quick-swap filter and easy- to-clean surfaces make maintenance a breeze. 3-year limited warranty. Designed for clean air. Built for everyday living. Tested on Acetaldehyde gas vs. similar leading competitor filter Tested on PM2.5 up to 90 minutes Compared to Blue Pure 211+