1.With 100% real copper 2.Supporter and handle flexible using, movable operation Portable BlowerAluminum Blade, Metal FrameNovel outlook, excellent craftwork, noverl styleSuppoorter and handle flexible using, movable operationLarge air flow and high pressureConnecting a fexible soft duct, high pressure under long distanceSuitable for underground, telecommunication, reparing tunnel project and ect ...