Braun oral b eb18-2 pro bright b/Head ref -Special polishing cup maximizes the effect of toothpaste to deliver superior polishing action, while outer bristles surround tooth. Interdental tips clean deep in hard-To-Reach areas as well as below the gum line. Indicator bristles fade halfway to signal when to replace your brush. Suitable for all braun oral-B rechargeable toothbrushes except sonic