WATERPIK Cordless Express Portable Water Flosser with 2 Settings, 2 Tips, with 2 years warrantyADA Accepted, WhiteCordless Express WF 02, battery operated handheld water flosser oral irrigator with 2 flossing tips for multiple family members Features 2 pressure settings, removable 5 oz reservoir (top rack dishwasher safe for easy cleaning), 30 seconds of flossing time, safe for use in the shower. Clinically proven Waterpik brand water flossers are backed by 80+ studies and clean deep between teeth and under the gumline where traditional brushing and string