Dyson 420083-02 TP4A Pure Cool Tower Purifier Fan (White/Silver, Refurbished)

SENSES POLLUTANTS IN REAL TIME: Automatically detects and reports air quality levels in real time on PM 2.5, PM 10, VOC and NO2.
CAPTURES POLLUTANTS WITH 360-DEGREE SEALED HEPA & ACTIVATED CARBON FILTERS: The fully-sealed filter system combines an activated Carbon filter to remove gases, and a Glass HEPA filter that captures 99.97% of microscopic allergens and pollutants as small as 0.3 microns.
PROJECTS POWERFUL AIRFLOW: Air Multiplier™ technology delivers over 77 gallons per second of smooth, yet powerful airflow – circulating purified air throughout the whole room.
REMOTE CONTROL: Curved to store neatly on top of the machine
OSCILLATES UP TO 350-DEGREES: Adjustable oscillation angle from 45° to 350°, to help project purified air around the whole room.
BACKWARD AIRFLOW MODE: Purifies without cooling you.
FAN MODE: Purifies while also cooling you as a fan.
QUICK AND EASY FILTER CHANGING: Low maintenance, easily changeable filters. With built-in notification when they require replacing.
NIGHT-TIME MODE: Monitors and purifies using its quiet settings, with a dimmed display.