Oral-B Water Flosser Advanced deep cleans and detoxifies* below the gumline. Its unique Oxyjet Technology uses water enriched with microbubbles of air to help eliminate plaque bacteria for healthier gums. The customizable intensities help remove plaque and leftover food particles in your mouth. Personalized streams allow for customized cleaning as well: Multi-Jet for all-around clean, Focused for targeted cleaning, Rotational for gum massage. The On-Demand mode provides greater control over the water stream allowing you to release water only when you need it for an easier, less messy experience. The cordless, single-body premium handheld unit improves portability, while the rear-configuration water reservoir allows for easy access and refilling.