8/16pcs Replacement Toothbrush HeadsCompatible for X-3 X-2 Soft Bristle Nozzle(8pcs)

- 8/16pcs options fit diverse needs, from personal use to family backup, avoiding frequent purchases. - Precisely compatible with X-3 and X-2 toothbrushes, ensuring a tight, stable connection. - Soft bristle design offers gentle contact, matching comfortable daily brushing habits. - Practical nozzle structure reaches hard-to-clean areas, adapting to regular use demands. - Tool-free installation: snug fit enables quick, hassle-free replacement easily.