Simple way to plug pressure lines?

[PhilBot]

Hi I have 4 places where I want to plug the default pressure-out port on a Festo solenoid.

I'm only using the solenoid to charge or vent one side or a cylinder, and in the normal (released) position of the festo, it's in the "vent" configuration (by design) , which means that I need to plug the #2 port to prevent losing all my air.

When I activate the solenoid, it applies pressure to the cylinder via port 4.

It seems silly, but I can't concoct an easy way to "plug" the #2 port.

The only thing I can think of (using KOP components) is to run the port to a T connector and then jumper the two other openning to themselves.

Is there a simple way I'm missing?