AccessoriesCompatible for OralElectric Toothbrush Head p2/4000/3757/d12/3766 OLB Replacement Head Universal(20X-4Pcs)

- The brush head is small and flexible, reaching deep into the back teeth areas. - Secure and stable after installation, giving you peace of mind when using it. - Enhance the electric toothbrush usage experience. - Helps develop a scientific tooth-brushing habit. - Reduce oral residue and prevent oral problems.