Compatible with Electric Toothbrush Replacement Heads Brush Head for 2100 4100 5100 6100 7300 9000(White-12 Pcs)

- Replacement electric toothbrush heads widely compatible with 2100, 4100, 5100, 6100, 7300 and 9000 models - Precise structural fit ensures secure attachment to the handle, preventing loosening during daily operation - Durable construction retains shape and functionality after repeated applications for long-lasting performance - Hassle-free installation allows quick and easy replacement whenever required - Lightweight and compact design enables easy storage and convenient carrying, ideal for home and travel