Specifications: Material: Plastic, silicone pipe, copper valve body Bottle Capacity: 600ML Size: (L)X(W)X(H) 350x280x160mm /13.78"X11.02"X6.3"(appr.) Instructions: 1. Connect the gas source to the quick head, and connect the water source to the filter; 2. Connect different external accessories according to different usage requirements; 3. Open the water and gas switch; 4, step on the foot switch, adjust the water and gas adjustment knob on the panel to the use requirements; 5. Turn off the water and gas source after work.