This replacement filter features a pre-filter with activated carbon and a HEPA 11 filter to remove 95% of common pollutants, fine particulate matter (PM2.5), dust, particles, and 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 and the standalone FreshView Air Purifier.