- KHBD replacement heads compatible with most Oral-B electric toothbrushes (except Pulsonic and iO) - Includes 16 units in black, perfect for family or extended use - Made with DuPont Tynex bristles, known for their durability and softness - Precision design with curved bristles that surround each tooth for effective cleaning - Removes up to 300% more plaque along the gumline compared to manual toothbrushes - Side bristles and a moving tip to reach hard-to-access areas and improve oral health - Longer bristles at the ends to clean inner teeth and hidden areas - Each head has a lifespan of up to 3 months, even with frequent use - Ideal for those seeking a deep clean and gum protection