I have (2) used Zottel 1500L / 400 Gallon variable capacity tanks for sale. 4 years old. In very good condition, no dents.
Two cooling jackets, sample valve, 2.5" TC drain port, 2.5" TC racking port, rectangular door, sloped bottom, adjustable legs, floating lid, gasket and pump, lifting arm, dust cover lid. $3500 each. I can ship it anywhere in the US.