Replacement Brush HeadsCompatible for Toothbrush FW/SG 507/508/515/551/917/959/908(10pcs Black)

- Functions as Replacement Brush Heads, specifically designed to be compatible for FW/SG toothbrush models including 507, 508, 515, 551, 917, 959, 908. - Features a structure matching FW/SG 507/508/515/551/917/959/908 specifications, ensuring precise fit with the corresponding toothbrush handles to avoid loose connection. - Aligns with the replacement standards of FW/SG series toothbrushes, maintaining consistency with the original brush heads’ installation method for easy operation. - Matches the basic functional design of FW/SG 507-959 toothbrush heads, adapting to daily cleaning needs without compromising usability. - Meets practical FW/SG toothbrush replacement demands, combining broad compatibility for 507/508/515 etc., and reliable replacement performance for long-term daily use.