Blueair HealthProtect 7740i Air Purifier with HEPASilent Ultra filtration and GermShield technology - Large room.

1 Year + 4 Year Extended Free Warranty To Claim Extended Free Warranty, 24/7 PROTECTION: Against viruses and bacteria with GermShield technology that kills 99% of germs caught by the filter; Proactively monitors conditions and prevents growth on the filters on standby, Blueair’s HEPASilent dual filtration delivers more clean air using less noise and energy than traditional HEPA filtration alone; Quickly cleans 674sqft large room in about 12.5 min or up to 3,235sqft XL space in 60 min, on high, IN-APP FEATURES: Auto adjusts to maintain optimal air conditions; 3 advanced sensors; Real-time updates track clean air progress, RFID chip in SmartFilter monitors and tracks pollutant levels in real-time to calculate filter life and alert on replacement needs; automatically resets the replace filter reminder when new filter is installed; Maximum 1-year filter life