My company large supply of bottled water washing barrels, brush barrels Machine brush, a set of eight, three of the sides of casks, a barrel at the bottom of the barrel inner wall of a barrel neck 3, a total of eight, the brush axis middle caliber 12MM. The machine to adapt to the inside and outside of the barrel to avoid a full range of effective brushing, brushing effect and difficult to hair loss, easy to replace and so on. 
 To Zhang family, renderings: the brush head replacement bristles can re-use, cost-yo. . . .