Berlin Classic or PM HOT-1 which is better?

[R.A.D]

Which of these 2 skimmers is better for a 20 gallon nano with a 20 gallon sump?

TIA,

Fishy

[Aquattro]

Probably the least expensive one is better. I would imagine they're very close in performance.

[Jack]

The PM Hot-1 is a very nice skimmer.