Cross Action Replacement toothbrush heads compatible with Oral-B electric toothbrush Replacement for EB50 and others. Fully Compatible with Oral-B Black, Deep Sweep, SmartSeries, ProSeries, Triumph, Advance Power, ProfessionalCare, ProfessionalCare SmartSeries, Vitality Floss Action, Vitality Dual Clean, Vitality CrossAction, Vitality Precision Clean, Vitality Pro White, Vitality Sensitive, Vitality TriZone, replacement products from Caretist.