MettleAir 4V220-08-DC12-1 PK Double Solenoid Air Valve, 5 Port, 2 Position, 12V, DC, 1/4" NPT Type: 5 Ports 4 Way 2 Position Double Solenoid Valve with Manual Override Model: 4V220-08-DC12 Coil: 12V DC, LED Light Ports : 1/4" NPT Exhaust: 1/8" NPT