1.Cover with tips holder----It's very convenient to put the tips onto the holder.

2.Up to hold 1000ml water----No need to hold water many times.

3.Up to 11 rotating interchangeable tips----For various use such as tongue cleaning,orthodontic,periodontal,nasal irrigation

4.5-110 PSI with 1200 pulses per minute----The most effective frequency works best

5.Combination of water pressure and pulsations----Cleans deep between teeth and below the gumline where regular flossing can't reach