12" dia. x 150" long, glass lined, jacketed, packed column. MFD by Pfaudler, Serial # J014961, built 1997., NB# 48407, Glass # 9115. ASME code stamped for 150 psi & FV @ 450 deg. F internal, 90 psi on jacket @ 450 deg. F. Openings: Top - 1-6", side shell 1-6", 1-5"; bottom 1-3". Mounting lugs.