Enjoy a more captivating smile with Equate Premium Replacement Brush Heads. Compare to the Philips Sonicare Premium Plaque Control Replacement Brush Heads. These Replacement Brush Heads feature a premium bristle tip that targets plaque in hard to reach areas, as well as flexible edges that adjust to the unique form of your teeth. The bristles on this brush head help remove up to 10x more plaque than a regular manual toothbrush (based on in vitro laboratory testing). The Bacteria Defense bristles help keep the brush clean for up to 3 months (inhibits microbial growth that may affect the bristles. The bristles do not kill bacteria in the mouth or protect you against disease. Always clean the product thoroughly after use) and Replace-Me bristles fade with use to remind you when to replace your brush head. Brush heads are compatible with the Philips Sonicare click-on Electric Toothbrushes. For optimum hygiene, replace your toothbrush heads every 3 months.