This replacement filter features a pre-filter with activated carbon & a HEPA 11 filter to remove 95% of common pollutants, fine particulate matter (PM2.5), dust, particles, & volatile organic compounds (VOCs). It provides up to 2,000 hours of filtration for personal spaces or cubicles up to 16 square feet or 1.5 square meters. This verified replacement filter is for use with the FreshView Monitor Stand & the standalone FreshView Air Purifier. Filter Type: HEPA; Filtration For: Dust; Fine Particulate Matter (PM2.5); Particles; VOC Odors / Gases; Air Cleaner Compatibility: Kensington K55460WW, K55462WW; Width: 6.5".