Breathe clean air quickly and quietly with Blueair air purifiers. Blue 3350i purifies up to 86m2 living space in 30min or 36m2 medium room in about 12.5min on high. That means even the tiniest particles, such as viruses and bacteria, are captured, while larger particles such as dust, pollen and smoke are also removed. In just a matter of minutes, our air purifiers can clean a large room, so you can enjoy fresh, clean air in your home. Seamlessly connect to the Blueair app for remote control, scheduling, air pollution level monitoring, and more. Enable the Welcome Home feature to automatically set your air purifier on standby when you leave home. App-enabled voice commands available. The stylish Stockholm Fog grey machine-washable pre-filter cover removes the largest particles, helping extend the life of the main filter.