• 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.
• CLEAN AIR IN MINUTES: Blueair’s HEPASilent dual filtration delivers up to 45% faster cleaning & up to 67% less noise 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.
• SMARTFILTER: 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.
• ONE OF THE QUIETEST AIR PURIFIERS: Quieter (25 dB) than a whisper on low; ENERGY STAR rated - uses less energy (8W) than an LED lightbulb on low so it’s kind to your wallet and the planet.
• REMOVES 99.99% OF COMMON ENS: Asthma y Nordic Recommended - helps reduce ens and pollutants that trigger y and asthma symptoms.
• REMOVES ODOR & PARTICLES DOWN TO 0.1 MICRON: Ideal for smoke & smog during wildfire season; Removes 99.97% of airborne particles like smoke, dust, viruses and pet dander, while the carbon filter traps light household odors from smoking, pets and cooking.
• MOST AWARDED AIR PURIFIER BRAND IN THE US: Protect 7770i has won the 2021 RedDot - Product Design and IF - Product Design awards.

"Blueair's most advanced air purifier, Protect provides 24/7 protection against viruses and bacteria. Each aspect of the Protect 7770i air purifier is uniquely designed for maximum performance, quiet, clean air delivery and energy efficiency, with innovative smart features. Independently tested for performance as part of the AHAM Verified Program for room air cleaners, for a Clean Air Delivery Rate (CADR) of 435 for fine smoke particles, 435 for particles, and >400 for dust particles. Protect's HEPASilent Ultra filtration technology filters 99.97% airborne particles, like viruses and bacteria; dust, , dander, and mold, then kills 99% of the germs caught in the filter. Only Blueair air purifiers use HEPASilent™ technology, delivering maximum filtration with minimum noise. Combining mechanical filtration with electrostatic charging of particles produces clean air up to 45% faster with up to 67% less noise than traditional HEPA filtration alone. The combination SmartFilter uses an activated carbon layer to remove es, volatile compounds (VOC), s, and household odors from wildfire smoke, pets, cooking, and more. Protect air purifiers use SpiralAir omnidirectional airflow to quickly circulate more clean air to every corner of the room. GermShield technology proactively monitors room conditions and activates to kill germs and prevent growth on the filter, when on standby. Pair with the Blueair app to unlock smart features like Clean air ETA to count down the time until clean air and Welcome home function to automatically set your air purifier to standby when you leave home and back on to clean the air just before you return. 24/7 PROTECTION: 24/7 protection refers to the key function of GermShield™ technology, that is activated when the unit is in standby mode. Tested to deactivate Staphylococcus albus (min. 83%) and MS2 bacteriophage (min. 89%) and prevents >99.99% Ecoli growth on filter. Not proven to kill SARS-CoV-2 or prevent transmission of COVID-19; Tested on E.coli (excluding viruses). CLEAN AIR IN A MATTER OF MINUTES: Comparing CADR performance of Blueair models vs same models with only H13 HEPA. At similar CADRs, Blueair models achieved less noise than same models with only H13 HEPA. Noise refers to the dB(A) difference in acoustic power. Tested on Blue Pure 211+ Auto, DustMagnet™ 5400i, Protect 7400 series. Performance may vary. According to AHAM, air changes per hour (ACH) is the measure of the outside air volume added to a space divided by the volume of that space over a set a of time. IN-APP FEATURES: Features can only be enjoyed with the Blueair app. REMOVES 99.99% OF COMMON ENS: Tested on particles 5.048 - 11.14 μm on Blue Auto, DustMagnet and Protect. MOST AWARDED AIR PURIFIER BRAND IN THE US: Based on survey of over 50 awards, accolades, and recommendations issued by independent consumer associations, media publications, and industry competitions from January 1, 2022, through August 16th, 2022, for products sold in the US by top 10 air purifier brands according to NPD Group Retail Tracking Service, Small Appliances, U.S. sales dollars June 2022 YTD. BACTERIA, VIRUS & MOLD SPORE REMOVAL: Tested on Straphylococus Aureus, E.Coli, Influenza A (H1N1) with minimum reduction rate of 99.99% in 60min; Tested on A.niger with minimum reduction rate of 99.9% in 60min."