Home Appliance Air Purifier, Home Air Cleaner HEPA, Activated Carbon Filter, Photocatalyst, Anion 110-242V Power80WAir ... Filter,Nanometer Photocatalysis, Anion Functions/Features:1.Sensor of air cleaning monitor will change the speed automatically according to the ... for sterilizing and disinfecting.7.Negative ion generator refreshes indoors air.8.Operate by remote-control and key-control, easy ...