The application of fluid analysis techniques has resulted in a high efficiency design that generates the high power that's the source of the powerful suction. Dual handles make it easier to hold the large tank for more convenient dust disposal. Blows away sand and light dust particles with a powerful airflow to clean places such as entrances and hallways. Way more to clean your home various accessories enables easy cleaning of quick spot cleaning and hard-to-reach spaces. Crevice nozzle/dusting brush.