The Waterpik Ultra Countertop Water Flosser White (WP-100) provides superior water floss performance. First product in classes tested, trusted and accepted by the American Dental Association (ADA) Cleans between teeth and under gum lines with a unique combination of water pressure and pulsating that traditional brushing and floss cannot reach. Perfect for those with braces, implants, crowns, bridges, and perimeter pockets. The Waterpik Ultra Water Flosser features 10 pressure settings, a contemporary design, a covered reservoir with lid tip storage, and a built-in water on/off switch on the handle for easy control of the water flow.