10/20Pcs Replaceable Brush HeadsCompatible for Seago/Fairywill Toothbrush FW/SG 507/508/515/551/917/959/908(20pcswhite)

- 10/20Pcs Replaceable Brush Heads for FW/SG 507/508/515/551/917/959/908 Toothbrushes：Offered in 10/20-piece options, these heads fit FW/SG series models, ideal for daily replacement. - Soft bristles ensure gentle contact with gums and teeth for comfortable daily use. - Perfectly matched to all seven models, enabling quick installation and stable performance. - Dual quantities suit personal (10pcs) or family long-term needs (20pcs). - They integrate smoothly with compatible FW/SG toothbrushes, maintaining consistent performance.