Appreciate some help on building a box

[fistfull95]

Okay fair enough, thanks. Not sure if this is a dumb question, but do the ports need to be PVC or something similar?

[Joe X]

Whatever you can find but since the ports need to turn fittings should be available, soft turn elbows would work better if you can get them.

[fistfull95]

Won't the pressure inside the box be too high for something like PVC to stay in its place?

[Joe X]

Of course some bracing may be needed, like in this other case:

[fistfull95]

Ah well, stupid of me. Thank you. I'll get building.