5 Pack Electric Toothbrush Replacement Heads Compatible with Fairywill,Toothbrush Heads Compatible with FW-507/508/551/515/917/959/2011,FW-D1/D3/D7/D8,Hard Bristle

5 Pack Electric Toothbrush Replacement Heads Compatible with Fairywill(Hard Bristle-5pack) 【Natural Activated Carbon Ions】：Bamboo charcoal C active ions extracted from bamboo charcoal are added to the bristles, which makes the bristles appear natural black, full of personality, and can effectively eliminate odor, inhibit bacteria and mildew. Harder bristles also clean your teeth more efficiently • 【Excellent compatibility】：Compatible with FW-507/508/515/551/917/D1/D3/D7/D8, SG-917/909/949/958/507B/908/610/659/719/910, AT-HP1263A electric toothbrushes. If you have any questions about our products, please feel free to contact us. • 【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. • 【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.