W2 Optimal White Replacement Brush Heads Compatible with Phlilps Sonlcare Standard Sonic Toothbrush Heads,HX6064,Black

W2 Optima White brush heads remove up to 100% more stains vs. a manual toothbrush for whiter teeth in just one week. Clinically proven to remove up to 7x more plaque vs. a manual after four weeks of use.Your brush heads replacement will become less effective after 3 months' use, Your smart toothbrush will track how often and how hard you brush and will notify you when it's time for a replacement. Just monitor your blue replacement bristles — when they turn white you'll know it's time for a fresh brush head.