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.²¹Particle 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.²Tested per ISO 29463.
Automatically senses and reacts to changes in air quality
HEPA¹ filter removes 99.97% of particles as small as 0.3 microns in size²
Reports pollution in real time on LCD screen
Up to 350° oscillation and backwards airflow mode to purify without cooling
Curved and magnetized remote control stores neatly on the machine. Not app compatible.
