15,000 Gallon Evans & Sons Vertical 316-L stainless steel tank. 12' Diameter X 18' High straight side 3/8" mild dished top & bottom. Heads thick shell rated 30/FV@ 300-450 F, sits on welded skirt 6' Straight side fittings: 1-3", 1-6", 1-18", 1-20", Built in 1994. Previous use Pharmaceutical service.