Maintain optimal cleaning power with Oral-B Precision Clean Replacement Brush Head for Toothbrush. The replaceable brush heads ensure that your toothbrush targets plaque removal along the gum line while maintaining white, healthy teeth. The powerful replacement brush heads feature indicator bristles that fade halfway reminding you to change your brush head. Featuring a round brush head, these toothbrushes are designed to clean your teeth, tooth by tooth for superior cleaning | Oral-B Precision Clean Replacement Brush Head for Toothbrush Size 5s