PLEASE NOTE: The brush heads are only compatible with WHITOP electric toothbrushes!. WHITOP Adults replacement toothbrush heads (pack of 4). Daily Cleaning Type Bristles. Round interface matching WHITOP sonic electric toothbrushes CD-02, CD-04, CD-06, CD-10, CD-11, CD-13, CD-14. High-density upgrade bristles. The total amount and density of bristles are greatly increased to improve the cleaning effect. Each bristles has been carefully rounded on the top to provide more gentle protection to the teeth. WHITOP replacement brush head has blue faded bristles, which makes it easier for you to know when to replace it. The dentist recommends changing the brush head every three months to get the best cleaning effect. Deep cleaning type bristles, clean teeth comprehensively. "W" Shape 3D Cutting Process. Multi-layer high and low bristles can easily clean blind areas. PLEASE NOTE: The brush heads are only compatible with WHITOP electric toothbrushes! WHITOP replacement brush heads have unique advanced flocking manufacturing technology, and they are made of high-quality DuPont materials. Flexible and soft bristles remove stains easily, giving your mouth a refreshing and comfortable experience.Best Sellers Rank: See Top 100 in Health & Household. Number of Pieces: 4. Item Firmness Description: Soft. Age Range (Description): Adult. Color: C69 White. Brand: WHITOP. : B09N14VTRV. Manufacturer: WHITOP. Date First Available: December 4, 2021. Package Dimensions: 4.29 x 4.09 x 2.17 inches; 2.05 Ounces.