20pcs Replacement Electric Toothbrush Head Bristle Brush Compatible for Fairywill Refills FW-D1/FW-D3/FW-D7(20 PCS WT)

- 20 Pcs replacement electric toothbrush heads with bristles, compatible with FW-D1, FW-D3 and FW-D7 refills. - The 20-piece pack meets long-term daily use and backup demands, aligning with typical electric toothbrush head replacement cycles. - Each bristle-equipped head is precision-crafted to fit FW-D1/FW-D3/FW-D7 refills seamlessly, ensuring stable performance. - It supports quick and tool-free replacement, adding convenience to daily usage and routine maintenance. - Compact in size, the heads are easy to store at home and convenient to carry for travel or on-the-go use.