brand new and advantageous Material: Metal + plastic Voltage:DC 12V Power: 8W Current: zero Inlet and outlet:hose barbs for 1/2" (outer diameter) hose Pressure:0 0 Max fluid temperature:100°C Operation mode:normally closed Valve type:diaphragm (operated by way of means of Servo) Usage:water and occasional viscosity fluids Please word it isn't like minded to be used with gravity fed tips