BLUEAIRS TOP-PERFORMING AIR PURIFIER LINE: Blue familys new Pure Max series with our proprietary HEPASilent performance now even better with up to 83% faster cleaning and 50% less noise* LETS CLEAR THE AIR QUIETER: Quiet Mark certified (23-50dB); Cleans up to 1,858 sqft space in 60 min, 929sqft in 30min or 387sqft in about 12.5min on high