... and stimulates gums 4.Auto-timer Dental floss brush / water tooth stain eraser RST5002: NameRST5002 Dental floss brush / water tooth stain eraser Functionclean teeth and ... the mouth. 5.3 operation modes (Normal, Soft, Pulse) with LED indication, deliver a water pressure of 40 to 80 ... Water tank has dual design for easy water refill. Use with water, mouthwash or anti-bacterial rinses, as recommended by ...