For 8 years running, the Airmega AP-1512HH has been awarded "Top Pick" by Wirecutter, a New York Times Company. Small in size but mighty in power, Airmega AP-1512HH Mighty's HyperCaptive Filtration System combines a washable pre-filter, deodorization filter, True HEPA filter, and bipolar device to reduce contaminants in the air. This mighty machine includes a filter-change indicator, energy-saving eco mode, automatic speed control based on particles in the air, and an intuitive air quality indicator. Coway Airmega AP-1512HH cleans and maintains spaces up to 361 sq. ft. in 12.5 minutes or up to 874 sq. ft. in 30 minutes.