Advanced air purification automatically captures 50% more NO2. Removes 99.9% of bacteria in the water. Fully sealed, 3-stage HEPA H13 grade filtration. Removes odors and gases while destroying formaldehyde. Dyson Air Multiplier. MyDyson app - control and monitor air quality from anywhere. Hands-free use with compatible voice services. 10 Speed settings. 5.9ft Cord length. Sound level: 62.4dB. Dimensions: 36.3"H x 6.1"L x 8.6"W. Includes HEPA+K-Carbon filter and remote.