16pcs Replacement Toothbrush HeadsCompatible for U Y1/Y1S/Y1pro/Y3/Y4/Y5/P1/P3/P4/P5/P10/U1/U2/U3/U4 Series Bristle Nozzles

- 16pcs Replacement Toothbrush Heads for U Series Y1/Y1S/Y1pro/Y3/Y4/Y5/P1/P3/P4/P5/P10/U1/U2/U3/U4 Bristle Nozzles：This 16-piece pack of replacement toothbrush heads is tailored to fit bristle nozzles of U series devices, including Y1, Y1S, Y1pro, Y3, Y4, Y5, P1, P3, P4, P5, P10, U1, U2, U3 and U4, serving as practical daily replacement parts. - Equipped with soft bristles, they deliver gentle contact with gums and teeth, ensuring comfortable use in daily routines. - The structure is perfectly compatible with the corresponding bristle nozzles, enabling seamless installation and stable performance without loosening. - 16-piece configuration provides abundant replacements, meeting long-term usage needs for families or personal use. - They integrate smoothly with the U series devices, maintaining consistent performance to support daily use demands.