Improves dental hygiene and is clinically proven to be up to 93% more effective than dental floss at improving gum health, Removes bacteria deep between teeth and below the gumline, Massages and stimulates gums, Works with water or your favorite mouthwash, Leaves a clean, fresh sensation, Advanced pressure control system with 10 pressure settings ranging from 5 to 90 psi, Contemporary, compact design is 20% smaller than previous models, Quietest operation ever, Unique reservoir lid with tip compartment, Reservoir capacity of 600 mL