2-in-1 air purifier fanCaptures and traps pollutants. For cleaner air.Captures gases and ultrafine particlesSenses and reports, automaticallyIntegrated sensors analyse and diagnose airborne pollutants in real time, displaying results on the LCD screen.Fully sealed filtrationTwo phases of purification sit within our fully sealed filtration system to trap pollutants inside, removing them from the air you breathe. So what goes inside, stays inside.Machine highlights2-in-1 air purifier fanAir Multiplier technology generates the circulation to purify the whole room.Night mode and Sleep timerOperates quietly to monitor and purify your room while you sleep.Oscillates up to 350 degree Adjustable oscillation projects purified air around the whole room.Easy filter careQuick and easy to change. With automatic notifications on the LCD.Dyson Purifier Cool Formaldehyde logoDetects and destroys formaldehyde, continuouslyDyson's unique catalytic filter continuously converts formaldehyde into water and CO2 – and never needs replacing.