Replacement Toothbrush Heads for nx9000 Sonic Electric Soft Bristles16PCS(16pcs Black)

- 16-piece set of replacement toothbrush heads with soft bristles, specially for nx9000 sonic electric toothbrushes - Soft bristles offer gentle and comfortable experience for daily use - Precise structural fit ensures secure attachment to the handle, preventing loosening during operation - Cost-effective multi-pack meets extended replacement needs, reducing frequent purchase hassle - Lightweight and compact design enables easy storage and convenient carrying, ideal for home use and travel