12V N/C New for DC 0-0 1/2" Electric Solenoid for Valve for Water Air Dropship fresh and effective Voltage:12V for DC Current:250mA Pressure:0 - zero for Valve type:diaphragm (operated by means of means of Servo) Operation mode:normally closed Inlet and outlet:hose barbs for 1/2" (outer diameter) hose Fluid temperature:1-100 ℃ Usage:water and occasional viscosity fluids