... more easily, enabling better combination between water and oxygen.3. Water-oxygen press- adjustment treatment functioning in different spots, ... joint, connecting more conveniently and succinctly. Advantages:1. Oxygen&water peel,diamond peel,ultrasonic with 2 treatment probes2. ... injiection gun for jet peel,decompression switch for oxygen supply tank,diamond peel handle piece,ultrosonic hand piece,foot ...