Oral-B iO Ultimate Clean Series Original Replacement Round Heads, Criss-Cross Filaments, Deep Bacterial Plaque Removal, 4

SUPERIOR BACTERIAL PLATE REMOVAL - The head has the ideal tilt to gently remove up to 100% more plaque than a regular manual toothbrush COLOR-CHANGING FILAMENTS - Oral-B refill heads feature color-changing filaments to indicate when to change the brush head and maximize cleanliness REPLACE EVERY 3 MONTHS: A worn head makes cleaning difficult and does not act on the entire bacterial plaque. For superior cleaning, change brush head when filaments fade to white EXCLUSIVE FOR ORAL-B IOS HANDLES - Get superior cleaning power with the unique brush head uniquely designed to perfectly fit your Oral-B iO electric toothbrush DENTIST-ENVANCED - Oral-B is the #1 dentist recommended toothbrush brand worldwide