if you will try 2 layer of PF4 it will perform good and if you want to reduce the air more you can trim the mesh even less then the wheel diameter size .
it's always better then pin wheel impeller the reason very simple you can't change pin impeller with the mesh you can play and do what ever you want to get less/more air and to find the right way to tune the skimmer the way you want.... take some time but when you find the right way it will perform the same always.