The Philips Sonicare Plaque Control brush head. Designed to work with multiple Sonicare models, these snap-on replacement brush heads gently remove 6x more plaque than a manual toothbrush. Compatible with Diamond Clean, Flexcare Platinum, Flexcare+, Flexcare, Healthly White, EasyClean, 2 Series, and 3 Series Sonicare Handles. Up to 6x more plaque removal Curved bristles conform to teeth Bristles fade when replacement is needed