The Waterpik Aquarius Water Flosser is our most advanced Water Flosser ever! The EASY and MORE EFFECTIVE way to floss. Healthier gums in just 14 days guaranteed or your money back. Clinically proven to remove up to 99% of plaque from treated areas and is up to 50% more effective for improving gum health vs. string floss. A unique combination of water pressure and pulsations cleans deep between teeth and below the gumline where regular flossing can’t reach. Safe, gentle and perfect for anyone with implants, crowns, bridges of periodontal pockets. This unit is compatible with a 120VAC/60Hz outlet and is for use in North America Only.