Room Air Purifiers up to 430sqf, 11w, auto function, need no filters or drugs, remote contral, time-fixing,fashionable design Room Air PurifiersUp to 40 sqms(430 sqf), 11w, auto function, need no filters or drugs, remote contral, time- fixing Function:A.Destroy any biological contaminants, including viruses, bacteria, mould, fungi and mould spores etc ;B. Clear the allergens and pet dander;C. ...