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: NOT compatible with Fairywill E11/ 2001/ 2081/2205/2209/921)

DUPONT QUALITY BRISTLES: Bristles are made with DUPONT nylon, a professional high-quality bristles material for toothbrush heads. Bristles are just right between soft and hard, ideal for cleaning around sensitive areas and fighting food residue and plaque!

EFFICIENT & CLEAN: W shaped bristles designed to fit well with the teeth topography to ensure the toothbrush heads reach all areas for a thorough cleaning of gums and easily removes hidden plaque! Reminder bristles fade to let you know when it's time to replace.

ROUND BRUSH HEAD: The brush heads are rounded through a polishing process for safety and gentleness. So your gums are protected. The replacement heads are extra gentle and comfortable for teeth and gums than ordinary replacement brush heads. High reliability in bristle planting to ensure the bristles do not fall out.

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