IO Ultimate Clean Black 4ks by Oral-B is a set of electric toothbrush heads designed to ensure una deep and effective cleaning. Equipped with advanced bristles, they remove plaque better than traditional heads, helping to improve gum health and provide a bright smile. The black design elegante perfectly matches any Oral-B toothbrush, offering style and functionality. Ideal for superior oral hygiene, they ensure una long-lasting use and comfortable application, making daily care simple and effective.