Brush Head Replacement Compatible for Electric Toothbrush X/X PRO/ Z1(10 Grey)

- Brush head replacements compatible with electric toothbrushes X, X PRO and Z1 - Broad compatibility matches the specified models for smooth daily replacement - Precise fit ensures firm attachment to the handle, avoiding loosening during use - Tool-free installation allows quick and hassle-free replacement whenever needed - Compact and portable design enables easy storage and convenient carrying for home and travel