Product DescriptionThe Oral-B CrossAction brush head is our most advanced replacement brush and is now available as a Black Edition. With the perfectly angled CrissCross bristles, it goes deep into the interdental spaces and ensures a superior plaque removal compared to a conventional manual toothbrush. The blue indicator bristles indicate when to change the brush head. The brush head is compatible with all Oral-B electric toothbrushes except Oral-B Pulsonic. 3 Oral-B CrossAction Black Edition replacement toothbrush heads are included.Set Contains:3 x replacement brushes.