Dyson Purifier Cool TP4B Purifying Fan

The Dyson Purifier Cool™ TP4B purifying fan automatically senses, captures and traps pollutants to purify your room, while removing 99.97% of particles as small as 0.3 microns.²​ Caveat 1: ¹Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode for whole machine efficiency above 99.95%. Gas capture rate vary. Caveat 2: ²Tested per ISO 29463.