E-series replacement toothbrush heads are compatible with most Sonic care Screw-On toothbrush handles: Essence, Elite, Xtreme, Advance, Cleancare.

The toothbrush heads are adopted with US Dupont tynex nylon filaments, it is medium hardness and soft. With densely-packed toothbrush head, which makes it covers more surface for deeper cleaning and oral health care. The blue reminder bristles will fade when a replacement is needed.

Each toothbrush head is Independent sealed-packed and comes with a dust cover cap. It is hygienic enough . Each brush head has a different mark, easy to distinguish.

Toothbrush heads are high approved; Super powerful to remove plaque and prevent gingivitis two times better than regular toothbrushs.