Parameter & Performances: l UV disinfection l Initial and medium effect filtration and sterilization l Activated ion deodorizing film l Automatic starting device of standby UV lamp l Negative oxygen ion purification l Automatic alarm when UV lamp facing the trouble l One-off filtration reticulation l Automatic pollution source detecting l Automatic UV intensity detector l Automatic maintainance alarm l Photo catalyst sterilization l Filtration net expiry alarm