"The simple, clean, and compact Airmega 160 air purifier features HyperCaptive Filtration System combining a pre-filter, a deodorization filter, and a Green True HEPA filter to reduce 99.999% of airborne particles and contaminants down to 0.01 microns in the air. The Airmega 150 includes filter change indicators, easy-to-remove pre-filter, cartidge design for filters, automatic speed control based on particles in the air, and an air quality indicator with a light that can be turned on or off. Coway Airmega 150 cleans and maintains spaces up to 214 sq. ft. in 12.5 minutes or up to 518 sq. ft in 30 minutes."