Compatible for Sonicool Electric Toothbrush Head 051B Cleaning Replacement Bristle Brush Heads Nozzles4/8/16pcs(16PCS Black)

- Compatible with electric toothbrush head model 051B for proper fit. - Available in 4, 8, or 16 pieces per pack for flexible supply choices. - Features soft bristles for gentle contact with tooth surfaces during use. - Designed for cleaning replacement to assist in debris removal. - Easy to install by aligning with handle for secure fit and consistent performance.