12/20pcs Toothbrush Replacement Heads Brush Head Compatible for Sonicare 2100 4100 5100 6100 7300 9000(White-12 Pcs)

- 12/20 Pcs toothbrush replacement heads, compatible with 2100, 4100, 5100, 6100, 7300 and 9000 models. - The dual-size pack (12/20 pieces) caters to different needs, meeting daily use and long-term backup demands for the specified models. - Each head is precision-crafted to fit all 2100-9000 series models seamlessly, ensuring stable performance in daily use. - It supports quick and tool-free replacement, adding convenience to daily usage and routine maintenance. - Compact and lightweight, the heads are easy to store at home and convenient to carry for travel or on-the-go use.