Right side of cargo area

[bryanfeelsgood]

So I feel dumb for not knowing this, but what is under the plastic cover on the right side of the cargo area in my '07 Hoe? Looks like it has some vents, and when I pulled out the little tray on top all I can see is a big black plastic box.

Lil' help?

 

[Zed 71]

Rear AC unit.

 

[SmallXL]

flux capacitor

 

[sbhva]

flux capacitor

:d

lmao