Doing a last minute change up from the paint pot...
...to a 6" x 7" (diameter x height) Stainless 304 Schedule 10 pipe, welded to a 6" 304 blind flange or plate on the bottom, and a 6" 304 slip-on, raised-face flange on the top (with a machined groove for an o-ring), which seals up to a 304...