... with Pre-filter, PCO, 254nm UV light, Activated carbon filter, Ionizer, Aroma diffuser UV light Purifier & Bacteria killer Model ... the removal of bacteria at 88.5% by UV light and PCO filter technology (Ozone is optional ... the removal of VOCs at 73.2% by UV light,PCO filter and activated carbon technology.Aroma ... m3/h ( High ) , 15 m3/h (Low) UV light: 254NM (Approx. 20,000 hours life time)Weight: 1.5kgs ...