FULL COMPATIBILITY: Compatible with FW507/508/515/551/917/959/D7/D8/D3/D1/2011; Compatible with SG E9/507/515/575/909/917/949/958/908/610/659/719/910; Compatible with HP126A/HP150A; Compatible with Dnsly TB5; Compatible with Fairywill/Sboly /ATMOKO /Teeteck. (NOTE: Does NOT fit Fairywill E11/ 2001/ 2081/2205/2209/921)

DUPONT QUALITY FIBERS: Bristles are made with DUPONT nylon, which is recognized as a professional high-quality brush head material. The bristles are just the right amount between soft and hard, ideal for cleaning around sensitive areas and fighting food residue and plaque!

EFFECTIVE & CLEAN: W shaped bristles are designed to suit teeth topography for thorough cleaning of gums and hard to reach areas. Reminder bristles fade to let you know when it's time to replace.

ROUNDED BRISTLES: Bristles' ends are rounded by polishing process for safety and gentleness. So your gums are protected. Replacement heads are extra gentle and comfortable for tooth and gums than ordinary replacement brush heads. High reliability on bristles planting to make sure the bristles do not fall off.

AFFORDABLE BUY: 10x replacement brush heads vacuum-packed at an unbeatable price. Dentists recommend replacing brush heads at least every 3 months. Our replacement brushes will last for months or even years. It is suitable as a gift for your family and friends.