Our brush heads are fully compatible with a wide range of Oral B electric toothbrushes, excluding the Pulsonic and iO series. They are compatible with Oral B Pro Series, ProfessionalCare Series, Triumph Series, Smart Series, TriZone Series, AdvancePower Series, Vitality Series, 3D White Series, Cross Series, Sensitive Series, Deep Clean, and Oral B Pro-Health Power, among others.