Toothbrushes Head Compatible for Usmile All Series Y1S/Y4/U1/U2/U3/P1/P4 Sonic Electric Toothbrush Soft Dupont Clean Nozzles(4pcs Purple)

- 1. Universal Compatibility for All Target Series: Precisely engineered to fit all specified sonic electric toothbrush models, including Y1S, Y4, U1, U2, U3, P1, and P4. The precision-machined connection ensures a tight, stable fit that remains secure during daily brushing, perfectly matching the toothbrush's design. - 2. DuPont Soft Bristles for Gentle Comfort: Equipped with premium DuPont soft bristles that strike an ideal balance between gentleness and cleaning effectiveness. The fine, flexible bristles deliver a mild touch on teeth and gums, ensuring comfortable daily usage without causing irritation. - 3. Sonic-Optimized for Thorough Cleaning: Tailored to synergize with sonic electric toothbrush technology. The brush head's structure enhances sonic vibration transmission, allowing bristles to move flexibly and reach deep into hard-to-access interdental gaps for comprehensive cleaning. - 4. Original-Standard Nozzle Quality: Crafted to meet the performance and quality standards of original accessories. Every detail, from bristle arrangement to connection stability, aligns with factory-supplied nozzles, ensuring reliable and consistent use. - 5. Durable Build & Hassle-Free Replacement: Made with high-quality, sturdy materials that maintain bristle shape and structural integrity over time. Features an intuitive twist-on design for quick, tool-free installation and replacement, simplifying daily maintenance.