8/12pcs Toothbrush Replacement Heads SetsCompatible for FW-507 FW-508 FW-917 Head(FW-02-2)

- 8/12pcs sets meet diverse needs, from personal use to family backup, avoiding frequent purchases. - Precisely compatible with FW-507, FW-508 and FW-917 toothbrushes, ensuring a tight connection. - Practical design fits daily brushing habits, delivering a smooth and consistent using experience. - Thoughtful structure reaches hard-to-clean areas, adapting to regular daily use demands. - Tool-free installation: snug fit enables quick, hassle-free replacement without complex steps.