Waterpik Water Flosser provides a unique combination of water pressure and pulsations to clean deep between teeth and below the gumline, removing harmful bacteria and debris that traditional brushing and flossing can't reach. it also massages and stimulates gums for enhanced circulation. Effective plaque removal:* proven in laboratory test to remove up to 99.9% of plaque from treated areas in 3 seconds. Healthier gums:* Clinically proven up to 50% more effective than string floss for improving gum health. Superior cleaning around braces:* Clinically proven up to 3x as effective as string floss for removing plaque around braces with the orthodontic tip. Our most advanced water flosser. Contemporary compact design. can be used with your favorite mouthwash. Quietest operation ever. Three-year warranty. #1 model recommended by dentists. Reservoir lid keeps out dust and debris. Unique undercover tip compartment provides hygienic storage solution. Tips rotate 360 degrees to reach all areas of the mouth. Tip eject button with quick release mechanism for easy tip change-out. Pause button on small ergonomic handle lets you conveniently pause water flower. High-volume covered reservoir. On/off switch with easy fingertip control. Advanced pressure-control system with 1- settings. Six tips included. Optimum water capacity - no refills. 10 Pressure settings. In-lid Storage, keeps tips clean. Smaller and quitter than previous models.