How to control two cylinders to expand and contract simultaneously with one foot valve?

Here is the physical map, the red and blue lines are connected, and here is the trachea.

The connecting connector on the cylinder is the yellow police tactical unit connector next to the pedal valve. Buy by appearance.

If you still don't understand, take the cylinder and pedal valve to the local pneumatic store and let the store match it for you.

The air inlet is connected with the air inlet.