Air Purifiers for Small Rooms, Bedroom, Home, Cleans 926 sqft in one hour,

QUIET PERFORMANCE: Blue Pure 511i Max operates on low at 19 db and is never louder than 48 db. ’S TOP-PERFORMING AIR PURIFIER LINE: Blue family’s new Pure Max series with our proprietary HEPASilent performance now even better with up to 83% faster cleaning and 50% less noise .

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