Used Vertical 5,000 Gallon Stainless Steel Tank. Internal rated 150 PSI/FV @ 250 deg F. Dished top and bottom. 10' ID x 7' 6" Straight side. Head/Shell thickness: .625". Has 1.5 HP Chemineer Agitator/Mixer model 3HTN15, 20 RPM output. Built by Piersol Pine Mfg, S/N: 8800, NB# 664. Leg mounted.