If your here for cooling performance, your in the right place!
 

What you will need:
For each module;
- 1 5015 fan (Delta, West3d, and GDSTIME recommended)
- 1 M3x20mm screw
- 1 M3 washer

Installation:
- slide each module into your V slot extrusion 
- reassemble your printer (if required)
- Install fans
- screw in fans using washers
- complete cable management and wiring (wire extension required)