• Includes 8 toothbrush heads with colored rings for easy distinction of each unit. • Provides effective and deep cleaning in hard-to-reach areas, below the gum line and around the root. • High compatibility with Oral B: suitable for ProfessionalCare, Triumph and TriZone series. • Heads made with soft and flexible DuPont material for deep and comfortable cleaning. • Blue indicator bristles that fade to signal when it is necessary to replace the head.