What stands out about this listing is the Features entry reads N/A, which keeps the page clean.
5x Enclosed Fan Relay for Heating/Cooling Application General Purpose Switching
You will find that the unbranded design things basic, which makes troubleshooting quick and stress-free for most setups.
The model is KUP-14D15-24=KU, which you will find that fits well in many panels.
What stands out about the unbranded brand is that the contact ratings are printed large, so you can read them fast.
With 2pcs - 4pin relays, you can wire a small control circuit and still have a spare on hand.
What stands out about the relay is the INDUSTRIAL MRO brand, familiar in many plants.