Enjoy cleaner air at home with this BlueAir purifier. Its HEPASilent filter will clean up the air in your room in less than an hour and runs as quietly as a mouse. That's not all, it also traps 99.97% of airborne particles all the way down to a teeny tiny 0.1 micron. That means you're safer from seasonal viruses or allergies caused by dust and pets. And it's smart enough to take commands from the Blueair app - just connect it to your phone and breathe easy. Good to know - Control it using just your voice with Alexa and Google Assistant - Switch between Auto and Night modes when you need to get a good night's sleep - Its 5 colour air quality indicator lets you check if you're breathing fresh air - No more forgetting to replace air filters - its RealTrack algorithm sets reminders before they expire- There are 4 fan speeds, and night mode is perfect for dozing off in peace and quiet- Its 38 W power can refresh a room up to 103 m² in just 30 minutes