... 25 W 3)Pipe type fan:Exhaust quantum: 180m3/h Sell Exhaust fan/ceiling exhaust fan/Pipe type fan, ET-12APipe typeExhaust quantum: 180m3 ... cmInstallation size: 20.5x20.5cm We supply switches,sockets, Exhaust fan . Switches and sockets including receptacles,floor socket,plate switches,light ...