Oral-B Professional Care OxyJand uses the Oxyjand technology that enriches water with microfine bubbles or purified air for deep cleaning under the gum line, in order to help improve gum health.Oxyjand removes bacteria at the gum line and below, while gently removing the food particles from the hardest-to-reach areas.Oxyjand helps to protect the gums and is designed to enhance mouth freshness and clean sensation.Pressurized air and water form microfine bubbles to attack plaque bacteria. The Spiral Water Streams with micro-bubbles gently massage the gums. It is possible to control the pressure of water from 1 (low pressure) to 5 (high pressure), according to your needs.OxyJand has a large 600ml water beaker. You can add a mouthwash product for bandter results.The box contains:- 1 station with irrigator, 600 ml water beaker and jand storage.- 4 jands.