Elbow nylon brush design can prevent dirty or get burned with boiling water during operation. made of nylon material, high temperature resistance, soft to touch and not easy hair loss. not only can be clean, but also can be used to scoop powder. Ideal for cleaning coffee residue in the coffee machine semi-head residue, including various filter styles of the coffee machine and the coffee grounds on the gasket. brush head may not detachable.also a good helper to have a glass of pure coffee flavor.