4-16pcs Replacement Toothbrush Heads Compatible for XH3/XH6/XH9/R(2White 2Black)

- Replacement toothbrush heads compatible with XH3, XH6, XH9 and R, available in 4 to 16-piece packs - Versatile pack size options cater to different daily and long-term replacement needs - Precise fit design ensures secure attachment to the handle, preventing loosening during use - Tool-free installation allows quick and hassle-free replacement whenever required - Compact and lightweight structure enables easy storage and convenient carrying for home use