Waterpik Ultra Water Flosser provides excellent water flossing performance. It cleans deep between teeth and below the gum-line where traditional brushing and flossing can't reach, using a unique combination of water pressure and pulsations. Highlights * Waterpik Ultra Water Flosser is an electric water flosser for healthier gums and plaque removal * Tested and trusted - Accepted by the American Dental Association (ADA) * Features 10 pressure settings, a contemporary design, 22-ounce covered reservoir with in-lid tip storage, and pause button on handle * Combines water pressure and pulsations to clean deep between teeth and below the gum-line * 1 minute a day for a cleaner, fresher, and healthier mouth * Removes up to 99.9% of plaque from treated areas and is up to 50% more effective for improving gum health vs string floss