Experience the best of Philips Sonicare toothbrush heads with this genuine All-in-One replacement. Offering effective whitening, plaque removal plus better gum health, your complete oral care starts right here. These electric toothbrush replacement heads with multi-angle bristles were designed to keep plaque removal on course, no matter your technique. Philips Sonicare A3 brush head delivers range-leading cleaning and removes up to 2000% more plaque than a manual toothbrush, even in hard-to-reach areas. It also includes triangular bristles to increase surface contact and clean away stains more effectively. Trust proven Sonicare technology: the Philips Sonicare toothbrushes clean gently yet effectively and care for your teeth and gums with up to 62,000 bristle movements. Sonicare Fluid Action supports cleaning by driving fluid deep between teeth and along the gumline. All Philips Sonicare sonic toothbrush heads are meticulously designed and clinically tested to meet the highest standard in quality, safety and performance. They are compatible with all Philips Sonicare click-on electric toothbrushes. Dental professionals recommend changing your brush head every 3 months, that\'s why Philips Sonicare toothbrushes have BrushSync technology. It tracks how often and how hard you brush, and the light on the handle turns on when it\'s time to replace your brush head. You will also know when to replace it when blue bristles turn white. than a manual toothbrush vs. a manual toothbrush in a lab study allocated to plastic of brush head on mass balance basis where facilities exist not compatible with Philips One and e-series handles in hard-to-reach areas the feature is available for BrushSync-compatible handles