Compatible for Replacement X/X PRO/ Z1/ F1 Brush Heads Sonic Electric Toothbrush Soft Bristle Vacuum Head Nozzles 4PCS(4White)

- Compatible with X, X PRO, Z1, F1 electric toothbrushes. Its interface fits perfectly; no extra tools needed?just a light press to install, enabling convenient replacement. - Crafted with DuPont soft bristles, they feel smooth, deeply clean tooth gaps, reduce gum friction and irritation, ideal for those with sensitive mouths. - Vacuum nozzle design combines with sonic vibration, fitting tooth surfaces and gum grooves to remove food residues and plaque, maintaining oral cleanliness. - 4 brush heads per set meet daily replacement needs, no frequent purchases required, suitable for home or personal long-term oral care storage. - Evenly arranged bristles have moderate toughness and resilience, not easy to deform or fall off, ensuring stable cleaning performance and longer service life.