Product Detail Multi stage air purification: HEPA, carbon, O.F.S., ionization plus fragrance Turn ionization on or off as needed Filters 40 to 50 sq. meters (up to 540 sq. ft.) Remote control Air Quality Sensor . The "Maximizer Plus Multi Stage Air Purification HEPA, Carbon, O.F.S., Ionization" is best product for you. We recommended Maximizer Plus Multi Stage Air Purification HEPA, Carbon, O.F.S., Ionization