... function, need no filters or drugs, remote contral, time-fixing,fashionable design Room Air PurifiersUp to 40 sqms(430 sqf ... auto function, need no filters or drugs, remote contral, time- fixing Function:A.Destroy any biological contaminants, including viruses, bacteria, mould ... than other air purifier High light LED display12 hours time-fixing and non-stop selection Easy operation with infra remoter3 ...