Does cold air circulate through the stainless tubing? If so, does it condensate and drip?

There isn't any stainless tubing.. those are PVC toilet flanges glued to the lid. There are also PVC Tube cut into the tower. I Insulated the inside and haven't had any issues with that.

The freezer itself has a bit of moisture in it.. but that's because its super old and beat up. I just go in and clean it up occasionally.

I started down this route but didn't like having the superstructure. It made getting in and out of the keezer such a PITA. On the pro side, it does make for an easy drip tray mount and you don't get any drips on the floor.

I would run my taps out the front if I could start over.