A nice touch is the sturdy casing on this unbranded relay, which feels solid without any rattles inside.
For Festo VMPA1-M1H-J-PI 533343 Solenoid Valve
You will find that this unbranded relay fits standard sockets, and the metal tabs feel secure and nicely finished.
What stands out about the unbranded brand is the simple color scheme, which helps you match it with other components easily.