The Waterpik Ultra Water Flosser is The Easy and More Effective Way to Floss! And Waterpik is the #1 recommended Water Flosser brand among Dental Professionals and is accepted by the American Dental Association (ADA). The Waterpik Ultra Water Flosser is the ultimate in water flossing performance. It features 10 pressure settings, a contemporary design that is smaller and quieter than previous models, a covered reservoir with in-lid tip storage, and 6 unique tips. Waterpik Water Flossers are clinically proven to be more effective than traditional dental floss for reducing plaque, gingivitis, and gum disease. And it's perfect for anyone with braces or implants, and those with crowns, bridges, and veneers. This unit comes with a three-year warranty.