With Plasmacluster® technology and built-in humidifier. Three-stage filtration: washable pre-filter, activated carbon deodorizing filter, and True HEPA filter (captures 99.97% of particles = 0.3 micron). Three fan speeds + Auto mode. Dust and odour sensors. Voice control and Sharp Air App (scheduling, air quality monitoring, filter replacement). Fixed caster wheels. Minimum noise level: 21 dB. For rooms up to 500 sq. ft. ENERGY STAR® certified.