IP54
New Original R3G220-RC09-08 Centrifugal Fan 200-240VAC 0.47A 51W Free Ship
You will notice the unbranded version performs just as well as branded ones.
New Original R3G220-RC09-08 Centrifugal Fan 200-240VAC 0.47A 51W Free Ship
This is an unbranded product, so you're paying for function instead of a logo.
New R3G220-RC09-08 Centrifugal Fan 200-240VAC 0.47A 51W Cooling Fan Free Ship
Going with this unbranded option means you get more bang for your buck.