- Electric Toothbrush Replacement Head x 4 for Models of 507/508/917/959
- Electric Toothbrush Replacement Heads x 4 solely compatible for Fairywill Pearl White / Crystal Black /Pearl Pink Sonic Toothbrush.
- Material: ABS/TPE/Dupont nylon
- Tooth-waved bristles to suit teeth topography for thorough cleaning of gums and hard to reach areas.
- Rounded bristle top for safety and gentleness.
- Dentists suggest to replace toothbrush head at least every 3 months to avoid exceeding breed of bacteria.