- Pack of 8 Oral-B iO Ultimate Clean replacement heads in white - Exclusively designed for Oral-B iO electric toothbrushes, ensuring compatibility and performance - Superior plaque removal, up to 100% more effective than manual toothbrushes - Bristles angled at 16 degrees to reach difficult areas and improve interdental cleaning - Smart bristles that change color to indicate when it's time to replace the head - It is recommended to change the head every 3 months to maintain optimal oral hygiene - Professional round design inspired by dentists for a deep clean feeling every day - For adults only, keep out of reach of children - Oral-B is the most used and recommended toothbrush brand by dentists worldwide