Oral-B iO Series Ultimate Clean Electric Toothbrush Replacement Brush Heads for an Oral-B Electric Toothbrush, 4 Count, Black

The Oral-B iO Series combines powerful, but gentle micro-vibrations with Oral-B's iconic dentist-inspired round brush head design for a professional clean feeling every day. Ultimate Clean Refills help remove plaque, leaving teeth feeling clean and bright. Tufted bristles help clean hard-to-reach areas of the mouth. Dentists recommend changing your toothbrush head every 3 months for best results.