Oral-b CrossAction Black Edition Our most advanced brush heads reach deep between the teeth with the perfectly angled bristles The blue indicator bristles indicate when to change the brush head (every 3 months) Brand quality from Oral-B the number 1 toothbrush brand, which dentists most frequently recommend worldwide Fits all Oral-B electric toothbrushes except
Oral-B Pulsonic Box contents: 5 Oral-B CrossAction Black Edition replacement toothbrush heads (individually packed for hygienic reasons)