Removes up to 7x more plaque (vs. a regular manual toothbrush based on in vitro laboratory testing). Compare to Philips Sonicare Plaque Control (This product is not manufactured or distributed by KoninKlijike Philips NV and/or Philios Oral Healthcare, Inc., owner of the registered trademarks Philips, Sonicare, Diamond Clean, and Protective Clean). Fits Philips Sonicare click-on electric toothbrushes. Also fits CareOne Smilesonic Pro Advance Clean and MaxPower toothbrushes. See back panel for compatibility. Superior plaque removal with high-density bristle design. Exceptional cleaning in hard-to-reach areas with Advance Clean tip. Blue Replace-Me Bristles fade with use to remind user to replace brush head. Designed to fit the following Philips Sonicare electric brushes (This product is not manufactured or distributed by KoninKlijike Philips NV and/or Philios Oral Healthcare, Inc., owner of the registered trademarks Philips, Sonicare, Diamond Clean, and Protective Clean): Diamond Clean; FlexCare Series; HealthyWhite; EasyClean; 3 Series Gum Health; 2 Series Plaque Control; 1 Series Essence+; ProtectiveClean 4100, 5100 and 6100 series. Quality guaranteed or your money back. For product questions or concerns, contact us at 877-849-9949. Made in USA of US and imported components.