Philips Sonicare Genuine DiamondClean replacement toothbrush heads, HX6064/94, Black 4-pk;

The Philips Sonicare Diamond Clean is Sonicare` s best whitening brush head. Designed to work with multiple Sonicare models, these Snap-On replacement brush heads feature highly effective diamond-shaped bristles to whiten teeth in just 1 week and gently remove 7x more plaque than a manual toothbrush. Reminder bristles fade to let you know when it's time for replacement. Replace your brush head every three months as recommended by the American Dental Association