Terradent 31 Toothbrush Plus Refill， Medium<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Replaceable Brush Head-Clicks In and Stays In </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Lowest Bacterial Load-For Healthier Teeth and Gums </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Look at the underside of TerrAdent's Replacement Head </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31tI5UTIM6L.jpg" noproxy>