5-10Pcs Replacement Brush HeadsCompatible for Seago/Fairywill Electric Toothbrush FW/SG 507/508/515/551/917/959/908(10pcs White)

- Fits specific electric toothbrush models, ensuring tight, secure connection without looseness during brushing. - Brush head structure supports effective cleaning, reaching between teeth and gumlines for daily oral care. - Bristles balance gentle contact with teeth and gums for comfortable, regular long-term use. - Durable materials maintain bristle shape and integrity, reducing frequent replacements. - Tool-free installation: remove old head, attach new one firmly for quick, hassle-free use.