This model comes with a classic and orthodontic tip, 3 pressure settings, extra-safe electrical design, 20 removable decorative cling labels, and a 2-year warranty. Removes up to 99.9% of plaque from treated areas and is up to 50% more effective for improving gum health vs. string floss. Waterpik® is the #1 recommended water flosser brand, clinically proven and accepted by the American Dental Association (ADA).