Firstly, DuoClean technology includes a bristle brush and also a delicate brush roll. The bristle brush is for deep cleaning carpets and breaking down lengthy pet hair for much easier suction. The soft brush roll pulls in larger debris and gives the floor a far more polished appear. The YCA-1300 https://www.floorcleaningwarehouse.com/product-category/vacuums/upright-vacuums/