MettleAir 3V110-06-DC12-1 PK Pneumatic Air Solenoid Valve, 3 Way, 2 Position, Normally Closed, 12V, DC, 1/8" NPT Type: 3 Port 2 Position Single Solenoid Valve with Manual Override NORMALLY CLOSED Model: 3V110-06-DC12 Coil: 12V DC, LED Light Ports: 1/8" NPT Exhaust: 1/8" NPT