LIUCH Replacement Toothbrush Heads for SG-575/507B/908/909/917/610/659/719/910/551/548 Electric Toothbrush(Black 3pcs)

3D BRISTLE CUTTING PROCESS:The innovative 3D cutting process allows each tooth to be cleaned in three dimensions. The bristles are waved to match the shape of the teeth to thoroughly clean gums and hard-to-reach areas Long-lasting quality:High quality ABS plastic and nylon bristles ensure long-lasting use.0.152mm round-ended bristles provide gentle cleanness to teeth without hurt the enamel and gum Unique W-Shaped Brush Head Design:Fits perfectly on teeth and removes 100% more stain and plaque than manual toothbrushes without irritating gums. "W" shaped bristles ensured cleanness of every corner of your teeth Easy to Use: Unlocks with a right turn, convenient to replace without any extra auxiliary means. Five replacement brush heads for long-lasting use. Dentists recommend replacing the brush head every 3 months End-rounded US nylon bristleare gentle on gums and clean thoroughly teeth surface with comfortable brushing experience medium bristles not extra soft