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 fit Fairywill E11/ 2001/ 2081/2205/2209/921)

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

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

ROUND BRISTLE TOP: The bristle tops are rounded by 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 regular replacement brush heads. High reliability of bristle planting to ensure bristles do not fall out.

VALUE PURCHASE: 10x replacement brush heads with vacuum packaging at an unbeatable price. Dentists suggest replacing your toothbrush 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.