What stands out about the unbranded brand is the lack of logos, keeping the look consistent with other anonymous hardware.
White Rodgers RBM TYPE 91 RELAY 90-340 91-901 24VAC x 1pc
When you unpack the relay, the White-Rodgers name is one of the first things you will find.
Many folks appreciate the White-Rodgers brand on this general purpose relay, recognizing it from past repair jobs.
A nice touch is the labeling on, which makes identifying coil polarity simple when you are deep into a wiring session.