... foul odors as well certain VOC.Photocatalytic Ti02 (Titanium Dioxide) Activated by UV Photocatalysis technology Attacks Airborne Odors, Fungi, Mold, Mildew ... , Cookroom, Hospital, Etc..·Filters: Cotton filtering effect early, HEPA Filter, Activated Carbon and Photocatalytic.·UV: 254nm (20,000 Hour Life) Based ... Carbon: 3 to 6 months, Photocatalytic: 12 months.·MOQ: 500pcs. car air purifier ionizer