BIQU B1 by BigTreeTech - This things neat

You only really need to make sure the voltage is the same. Ideally, you should also make sure the volume of air moved is similar. To do that, you’d have to know the make and model number of the original fan and the make and model number of the replacement.

The issue of replacement fans has come up before. If you check out my post here:

You can see an excerpt of a data sheet with the data you need to pay attention to.