1283 New 12V Electric Solenoid Valve Magnetic DC N/C Water Air Inlet Flow Switch 1/2" brand new and tremendous 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 via Servo) Usage:water and coffee viscosity fluids Please notice it isn't correct to be used with gravity fed methods