Waterpik PIKWP250 Nano Water Flosser The Waterpik Nano Water Flosser is the easy and more effective way to floss. Designed for maximum flossing convenience, this compact Water Flosser works with a shaver socket and includes a reservoir that inverts for travel and storage.Waterpik Water Flossers are the only brand clinically proven to be more effective than traditional dental floss and Sonicare Air Floss for reducing plaque and gingivitis. The Waterpik Nano (WP-250) features an extra space saving sizethat is 50% smaller than previous models, with a quiet and energy efficient design. Plus the Nano Water Flosser can be powered from a shaver socket. It includes 2 unique tips, 60+ seconds of water capacity, a pressure control system with 3 settings, and a 2-year warranty. Features: Smaller and quieter than previous models Can be powered from a shaver socket 2 Unique Tips Pressure Control System with 3 Settings 10 to 80 psi Reservoir capacity of 60+ seconds Reservoir can be inverted for travel and storage Can be used with water or your favourite mouthwash Two-year warranty.