The Waterpik Aquarius water flosser features a compact, contemporary design and advanced water flossing technology for maximum performance. It comes with 7 flossing tips for a variety of dental needs and multiple users, a convenient one-minute timer with 30-second pacer to ensure thorough water flossing of all areas, and a removable water reservoir with 90+ seconds of flossing time. The special 360-degree rotating tip handle easily reaches your whole mouth, even back teeth. The Waterpik Aquarius water flosser removes up to 99.9% of plaque bacteria that causes gingivitis, cavities, and bad breath from treated areas and is clinically proven up to 2X as effective as string floss for removing bacterial plaque and improving gum health. Waterpik is the #1 water flosser brand recommended by dental professionals, and the Waterpik Aquarius water flosser is accepted by the American Dental Association (ADA) for safety and effectiveness. Backed by a 3-year manufacturer's limited warranty, see product manual for details.