High quality generic replacement heads for Oral B electric toothbrush Features: - Soft bristles designed for deep but gentle penetration between teeth - Lasts up to three months - Bristles' colour fades indicating replacement due - Nylon bristles Fit for the following models of Oral B electric toothbrushes only: - Oral B Triumph Professional Care-9000 series - Oral B Professional Care 5000/ 6000 /7000/8000 - Oral B Vitality Precision Clean, SensitiveClean, White Clean - Oral B Dual Clean - Oral B Advance Power 400/900 - Not compatible with Philips electric toothbrushes What's in the box 8 x Replacement Heads