Amazon.com Review
For optimum cleaning performance, electric toothbrush heads should be replaced every six months. This set of two standard-size replacement brush heads fits all original Sonicare and Advance series handles. Color-coded for individual users, each brush head features eight rows of extra-soft, rounded bristles for gentle yet thorough cleaning. The standard size was formerly known as compact. –Ann Bieri

For use with Advance series handles only. Works with all ori (more…)