Replacement Electric Toothbrush Heads Compatible for EX3 SO4-16PCS(4pcs White)

- Replacement electric toothbrush heads compatible with EX3 and SO, available in 4 to 16-piece packs - Multiple pack options fit different daily replacement needs for flexible selection - Precise fit ensures secure attachment to the handle, preventing loosening during daily use - Tool-free installation allows quick and easy replacement whenever needed - Compact and lightweight design enables easy storage and convenient carrying for home and travel