The Ultra water flosser is a countertop model featuring a convenient on/off water switch on the handle and storage for extra tips built into the lid. Waterpik® is the #1 recommended water flosser brand among dental professionals. This model comes with 6 flossing tips and 10 pressure settings. Easy, effective, and accepted by the American Dental Association (ADA). Removes up to 99.9% of plaque from treated areas and is up to 50% more effective for improving gum health vs. string floss.