FairyWill 507/508/551 toothbrush tips (white) Replacement tips for FairyWill 507/508/551 sonic toothbrushes. They are equipped with excellent quality W-shaped bristles, which perfectly adhere to the teeth and allow thorough cleaning of even hard-to-reach areas. High-quality Dupont nylon was used for its manufacture. In order to properly take care of hygienic use and reduce the risk of bacteria multiplication, the tips should be replaced at least once every 3 months or so. The set includes 4 replaceable tips. Note: the color of the bristles may vary. ManufacturerFairyWillModelFW-01Color WhiteCompatibilityFairyWill 507/508/551 sonic toothbrushesNumber of tips in the set4