MFH-3-1/4-EX Festo 3/2 Closed, Monostable Solenoid Valve – Electrical G 1/4 MFH Series, 535898. This solenoid valve from Festo efficiently directs the air needed to operate your pneumatic equipment. Its monostable 3/2 port design swaps the flow between its two outputs when energised for fast supply control, while a flow rate of 800L/min can handle the demands of lighter processes. The unit features a manual override, meaning you can open the ports without power for simple servicing. With support for DIN rail mounting, this valve slots easily into your system.