83724 Toothbrush Head Replacement for Oclean Sonic Electric Toothbrush X /X Pro/One/SE+/Air/Z1/F1 Series Sealed Packing Soft Bristle Item: Brush heads suitable for Olcean Electric Toothbrush Suitable for: All Olcean electric toothbrush, including Oclean X / X Pro / SE+/ Air / Z1 / F1 / One Features: 1. Soft DuPont bristles, suitable for sensitive teeth to use 2. Soft bristles,gently to your teeth. 3. 0.01mm bristle tip diameter, deep clean the gap between teeth 4. Indenpently sealed packing, much more safe to use. 5. Please replace the toothbrush heads every 3 months 1. Before paying your order, please make sure you have added a right choice. Because some products include several different choices, for example, a product includes the product itself and some replacement accessories. If you are not sure, please contact me firstly. 2. If you found different products rather than what you really need when you open parcel, please contact me to solve problems firstly. Please do not open dispute or leave negative feedback without any coordination, otherwise it would not be helpful to protect your benefit. 1. All products are in standardized packing, usually we use plastic bag to pack the products.just as follows: 2. We will carefully check your order and the package to make sure everything is in good condition before