Fully Compatibility for Philips Sonicare C3 Electric Toothbrush: Replacement heads compatible with Philips Sonicare 2 Series plaque control, 3 Series gum health, Diamond Clean, Diamond Clean Smart, EasyClean, Essence+, FlexCare Platinum Connected, FlexCare+, HealthyWhite+, PowerUp,4100 5100 6100 9900(NOT Compatible with Essence)

• Efficient Cleaning: Our high quality replacement brush heads up to 10x more plaque removal versus a manual toothbrush, effectively achieving deep cleaning along the gum line and between the teeth
• Up to 10x More Surface Contact: Our premium toothbrush heads adjusted to the unique contour of your teeth, with bendable sides, to achieve more surface contact and deeper cleaning in hard to reach areas
• Great Value Set: You will get 4pcs toothbrush replacement heads for hygienic storage and travel. If you have any questions, please feel free to contact us