PS:Please snoop on the model: Replacement for OCLEAN*Note: Non-original, applicable brush head 1. Ultrasonic electric toothbrush can efficiently eliminate plaque and reduce gingival necrosis. 2. The appearance of the 3-D brush adapts to the luster of the teeth. The small and delicate brush head is simple to the contact inside your mouth. 3. Adopt DuPont American tynex common zero bristles, brush accepted via way of FDA and UV sterilized. 4. Vacuum packaging, scientific safety standards. 5. This form is acceptable for folks who smoke or drink coffee. 6. Suitable for Oclean X/ X PRO/ Z1/ F1 Electric toothbrushes. 7 you've got any questions about the toothbrush model, you would seek the advice of shopper service. Thank you packaging-