Pursonic 8 piece Replacement Brush Heads for Pursonic S500/...</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Fits Pursonic S500/ S520/S522 models</li><li>Effectively removes plaque without irritating gums</li><li>Reaches deep between teeth to help remove plaque</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/417ukDMn6PL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41dDUUWQJ7L.jpg' noproxy></br>