*2 YEARS WARRANTY ‣ Automatically senses and reacts to changes in air quality with 10 different speed settings. ‣ Fully sealed to HEPA H13 standard, so that pollutants stay inside the machine and don't leak back into the air. ‣ The HEPA filter captures 99.97% of particles 0.3 microns in size and an additional filter removes odors and gases. ‣ Solid-state sensor detects formaldehyde molecules 500 times smaller than 0.3 microns and the Catalyst filter breaks them into water and CO2. ‣ Adjustable 350 ̊ oscillation and Air Multiplier Technology projects purified air around the whole room. ‣ Acoustically engineered to reduce turbulence, it's 20% quieter than the previous model. ‣ In Night mode, the machine monitors and purifies using the quietest settings with a dimmed display. ‣ Control it hands-free with compatible voice services. Works with Amazon Alexa, Apple Siri, and Google Home. ‣ Control and monitor your air quality from anywhere using the MyDyson app. ‣ Dimensions: 41” x 8.7” (H x W), 6ft (cord length).