Oral-BCrossActionBlackBrush Heads,3-pack As one of Oral-B's premium refill brush heads, the CrossAction brush head features 16 degrees of perfectly angled bristles to attack plaque and remove up to 100% more plaque compared to a standard manual toothbrush. Oral-B's enhanced CrossAction toothbrush heads are developed with CleanMaximiser technology that turns green bristles yellow for optimal brush head performance and the best possible cleaning. The unique bristles reach deep between the teeth to remove plaque and make your entire mouth cleaner than with a regular manual toothbrush. Fits all Oral-B handles, except Pulssonic and iO. - Removes up to 100% more bacterial plaque in hard-to-reach places for cleaner teeth and healthier gums compared to a manual toothbrush- Oral-B CrossAction has unique 16° angled bristles that perfectly adapt to each tooth for deep cleaning- Compatible with Oral-B rechargeable electric toothbrushes except Pulsonic and iO toothbrushes- Brush head replacement indicator: the bristles go from green to yellow based on individual use and remind you when to change to maintain 100% cleaning efficiency- Only genuine Oral-B brush heads are designed to guarantee 100% fit with your Oral-B toothbrush and best cleaning performance up to 160+ brushing sessionsIncludes: 3 genuine Oral-B Cross Action round brush headsOral-B is the brand most used by dentists worldwide. Clinically proven results