Part Cooling Fan is almost always the “snail” type or blower type like in your house furnace. Cooling fans (are for the hot end heat sink) and are almost always the axial type you can see through. like the old fashioned box fans or window fans you used to get.
If it’s any consolation the fans are almost a consumable. they don’t last very long. if you have your printer for any length of time i’ll bet you use them all up