Convenient formThe replacement toothbrush tip of the inFly Toothbrush Head for P20C, with its rounded bristle tips, helps effectively clean plaque and avoid injury and bleeding while brushing.Products of the highest qualityThe inFly toothbrushes are designed to meet the needs of demanding users 100%.Ultrasonic tipsThe purpose of the inFly ultrasonic toothbrush tips is to provide precision tooth cleaning and clean hard-to-reach interdental spaces. Each toothbrush tip has densely packed DuPont bristles that are proven to be gentle on teeth. They do not scratch enamel and effectively clean plaque.