Detailed Product Description: Type: 3 count; 4 count Packing: Original, Neutral, Customized Edition: General, European, Customized Works with: Oral-B power toothbrushes we supply EB17-3 EB17-4, soft rounded bristles in center protect teeth from too-firm brushing indicator bristles'color fades to signal when brush head needs replacement ,brush heads have removable color-code rings.