Oral B iO Ultimate Clean Replacement Brush Heads White, 2'sInformation Oral B's signature round brush head Designed exclusively for and guaranteed to fit your Oral B iO Unique 'Tuft in Tuft' structure and bristles are angled at 16 degrees to most effectively Meticulously arranged bristles For up to 100% plaque removal from day 1 Description Braun Oral B iO Ultimate Clean Replacement Brush Heads White combines powerful, but gentle micro vibrations with Oral B's unique dentist inspired round brush head design