Get 10 electric toothbrush replacement heads that are 100% compatible with Fairywill Fairywell D1 / D3 / D7 / D8 / FW507 / FW508 / FW515 / FW551 / FW917 / FW959 / FW2011; Toothbrush heads Compatible for Seago SG-E9 / SG-507 / SG-958 / SG-610 and so on; Toothbrush heads Compatible for Dnsly TB-5; Toothbrush heads Compatible for Sboly/OKMIMO/Initio/KIPOZI/Wovida/Gloridea/Demita; Toothbrush heads Compatible for ATMOKO HP126A / HP150A. (DOES NOT FIT: Fairywill E11; P11; 2001; 2081; 2205; 2209; 921.) Safe Material Replacement Heads: Made with food-grade ABS safe material and high-quality Dupont nylon soft bristles. They lock into place with a right turn, making them convenient to replace without extra tools and easy to use. Gentle but Effective Cleaning: The innovative 3D cutting process allows each tooth to be cleaned in three dimensions. The unique \"W\"-shaped brush head design features densely packed bristles to fit the topography of your teeth for thorough cleaning of gums and hard-to-reach areas. The 0.152mm rounded bristles protect your teeth and gums from damage, ensuring safe and extra gentle cleaning. Worth Buying: This package includes 5 vacuum-sealed replacement brush heads, which will last for many months or even over a year. Dentists recommend replacing your brush head every three months to prevent the spread of bacteria.