Up to 270% more effective than manual toothbrush and floss for healthier gums. Quad Stream delivers four wide streams of water that penetrate deep between teeth and along the gum line, covering 9x the surface area of single stream water flossers Water Flosser removes up to 99% of plaque from below the gum line 360-degree nozzle rotation ensures you can reach every corner of your mouth when water flossing 4 flossing modes, 10 intensities and includes ExpertClean 7300 with Bluetooth Sonicare App progress report and connected charging dock.