Blueair Smart 3048 sq.ft. Air Purifier

This air purifier uses HEPASilent dual filtration to remove 99.97% of particles down to 0.1 microns. It cleans up to 3,048 sqft in 60 minutes, 1,524 sqft in 30 minutes, or 635 sqft in 12.5 minutes. Its smart features include app scheduling, air quality monitoring, geofencing, filter tracking, and Alexa voice control. The price drops from $349.99 to $199.99 with free shipping.