Replacement Brush Heads Compatible for FW/SG 507/508/515/551/917/959/908(5pcs Black)

- Functions as Replacement Brush Heads, specifically designed to be compatible for FW model and SG 507, 508, 515, 551, 917, 959, 908 models. - Features compatibility with FW model, tailored to adapt to the replacement needs of this specific model for normal use of the corresponding equipment. - Aligns with the structural specifications of SG 507, 508 and 515 models, ensuring seamless matching to maintain stable connection during equipment operation. - Matches the design requirements of SG 551, 917, 959 and 908 models, maintaining stable compatibility to support proper integration with these SG series models. - Meets practical application needs, combining replacement brush head attribute and compatibility for FW/SG series models to fulfill daily brush head replacement demands.