Used- Pro-Fab Distillation Column, 304 Stainless Steel. Approximate 24" diameter x 330" straight side, dished top and bottom. Internal rated 50 psi & Full Vacuum at -20 to 240 degrees F., serial# P08-042B, National Board# 287, built 2008. Includes a Pro-Fab condenser, approximate 531 square feet. Carbon steel shell 18" diameter x 168" straight side, rated 100 psi & Full Vacuum at -20 to 225 degrees F., (145) 1" diameter x 14' long 304 stainless steel tubes rated 75 psi & Full Vacuum at -20 to 225 degrees F., serial# P08-043, National Board# 285, built 2008.