[Coverage] Optimized to clean spaces up to 405 sq. ft. in 30 minutes or up to 810 sq. ft. in 60 minutes. [True HEPA Filtration System] Combination of a pre-filter, deodorization filter, and True HEPA Filter reduces 99.999% of 0.01-micron particles, including pollen and other allergens. It also reduces 99% of volatile organic compounds and odor.