The Dyson Purifier Cool™ Gen1 purifying fan automatically senses, captures and traps pollutants to purify your whole room¹, while removing 99.97% of particles as small as 0.3 microns.² ¹Tested per Dyson internal test standards for whole-room air projection (TM-005021) and purification coverage (TM-003711) ²Tested per ISO 29463. ³Fan, not an air conditioning unit. .
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