If you plan to drive in weather at all having that module there at the fresh air vent hole could see water intrusion. I have that same block off style there and it drips in light dew or when I wash it.
I've never noticed any moisture there but the thought did occur. I used rivnuts and plan to add some sealer around them. The unit itself and connector are waterproof...
But now that you've reaffirmed my worry.. I'll probably move it lol