Clinically proven to be up to 93% more effective than dental floss, Removes bacteria deep between teeth and below gumline, Massages and stimulates gums, Can be used with your favorite mouthwash, Leaves a clean, fresh sensation, Push-button dual pressure control system with low for sensitive gums, high for deep cleaning, Reservoir can be filled without removal, Convenient, recharging power supply, No batteries needed, Tips rotate 360 to reach all areas of the mouth, Reservoir capacity is 210 mL (7 oz), Pressure range is 45 to 75 psi