Layer Fan for greg's wade extruder

After search for a good layer fan for my greg's wade extruder and E3D nozzle,
I was unable to find a good one, some collide with the Z axis rod, reducing the print space, some collide with the paper clips I use to support the glass of the bed, and finally standard fans (even a 50mm) doesn't blow enough air.

This one solve all of this problems, and use a 50mm centrifugal fan.

I get good results with it.

Its two pieces, that need to be glued, I use cyanocrilate without problems.
Use a M