up & up Brush Head Refills Medium Bristles, 2-Pack -

This pack of toothbrush head replacements includes two snap-on electric toothbrush heads that are compatible with most models of PHILIPS Sonicare electric toothbrushes. The brush heads are designed to remove up to 10 times more plaque than a manual toothbrush for a deep clean you'll love, and they have soft, flexing sides that form to the shape of your teeth as you brush for a customized, comfortable cleaning. Plus, with blue reminder bristles that fade with use, you'll always know when it's time to switch to a new head.