... purifier C350H05Product features:1.6levels filtering:original filtering,HEPA filtering,activated carbon filtering,sterilized coating, TiO2 ... 4hours,8hours and 12hours can be choosed continuously5.HEPA filter material is adopted, absorbing >3micrometer particle, ... Covering area:50-70M25.Purification system:original filtering,HEPA filtering,activated carbon filtering,sterilized coating, TiO2 ...