The Waterpik Promax Water Flosser (WF-23) is a premium countertop device featuring SmartAdvance™ technology that gradually increases pressure for improved gum health. It offers 10 intensity settings, QuietPulse™ technology, and is reported to improve gum health within six weeks. For more details, visit Waterpik Store . Promax™ Water Flosser - Waterpik™ Store