Compare to Philips Sonicare premium plaque control (this product is not manufactured or distributed by Koninklijke Philips NV or one of its affiliates, owner of the registered trademarks Philips, Sonicare, DiamondClean, Expert Clean, Daily Clean and ProtectiveClean). Full size. Up to 10x better plaque removal (vs. a regular manual toothbrush based on in vitro laboratory testing). Fits Philips Sonicare (this product is not manufactured or distributed by Koninklijke Philips NV or one of its affiliates, owner of the registered trademarks Philips, Sonicare, DiamondClean, Expert Clean, Daily Clean and ProtectiveClean). Click-on electric toothbrushes. Also fits CareOne SmileSonic pro advanced clean and max power pro toothbrushes. See back panel for compatibility. Flexible brush head for enhanced surface contact. Premium clean tip targets plaque in hard-to-reach areas. Soft, flexing sides adjust to the unique form of teeth for gentle cleaning. Blue Replace-Me bristles fade with use to remind user to replace brush head. Designed to fit the following Philips Sonicare electric toothbrushes: DiamondClean Series; FlexCare Series; Healthy White Series; ExpertClean Series; DailyClean Series; EasyClean; 3 Series Gum Health; 2 Series Plaque Control; 1 Series Essence+; ProtectiveClean Series. Quality guaranteed or your money back. Made in USA.