Thank you for your input.
36in longx24in widex18in high. It is was made by Jim who runs PVC Cages (pvccages.com).
There is a single white fluorescent bulb mounted inside the front and an 80 watt RHP as well.
I already mentioned the sliding glass doors in front. The two identical vents are mounted on the back wall
about 9in in from each side with roughly 14in separating them, about 14in from the bottom of the cage.

It's not that I think this man is manufacturing cages with inadequate ventilation, I just want my cage to be optimal
as opposed to standard.

I'm aiming more for perfection than for passable. With only one snake I feel that perfection is achievable.