Used approximately 16,000 gallon vertical 304 stainless steel tank. 12' diameter X 19' high straight side. Cone top and bottom. Has (1) turn of internal heating coil. Top fittings: 24" manway, (5) 4" and (1) 6". 4" center bottom drain. 24" side bottom manway. (2) 2", (1) 3" and (1) 4" side bottom outlets. insulated. Includes ladder. Mounted on carbon steel legs.