Beautiful,appearance with the advantages of lightness and high flexibility; Safety cover for motor can prevent sucking any sundries. Super fan-turbo-motor can produce strong airflow to improve the work efficiency; Polythene outer shell can protect the inner components and make the machine safe and durable; High grade material and three-speed selector for acf TB-trolley which can make you regulate the airflow optionally; Single speed selector and strong plastic outer shell,which can protect the inside components and make the machine safe and durable. Strong airflow and little noise make it suitable for hotels,large workshops,warehouses,marketplaces,and other wet places.