Fashion Low Operating Cost Air Conditioning Fan 1) Very reliable quality 2) Much lower price 3)Energy ... .11)have a dust filter inside, filtering Sundries, dust ect .12)light weight, have castors in the bottom , move conveniently . Specification ... : Large outlet, wide-angle swing, three wind classes, three optional fan grade.7,Human Nature design: Microcomputer control, touch buttons, removable ...